Dr.-Ing. Manfred Staat - FH Aachen University of Applied Sciences - Professor

Dr.-Ing. Manfred Staat

FH Aachen University of Applied Sciences

Professor

Jülich, NRW | Germany

Main Specialties: Biotechnology

Additional Specialties: bioengineering, biomechanics

ORCID logohttps://orcid.org/0000-0003-4363-6570


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Dr.-Ing. Manfred Staat - FH Aachen University of Applied Sciences - Professor

Dr.-Ing. Manfred Staat

Introduction

Manfred Staat is director of the Institute of Bioengineering and a full professor at the FH Aachen University of Applied Sciences, Germany. He received his PhD (Dr.-Ing.) in mechanical engineering from RWTH Aachen University with "summa cum laude" in 1988. From 1988 to 1997 he worked at the Forschungszentrum Jülich GmbH in the Institute of Safety Research and Reactor Technology on probabilistic fracture mechanics and plasticity. His current research interests include limit and shakedown analysis, stochastic optimization, biomechanical modelling and numerical simulation of cells, tissues and organs, mechanical testing and modelling of soft materials including tissues and implants

Primary Affiliation: FH Aachen University of Applied Sciences - Jülich, NRW , Germany

Specialties:

Additional Specialties:

Research Interests:


View Dr.-Ing. Manfred Staat’s Resume / CV

Education

Aug 1981 - Dec 1987
Rheinisch Westfälische Technische Hochschule Aachen RWTH Aachen Fakultät für Mathematik Informatik und Naturwissenschaften
Dr.-Ing.
Lehrstuhl für Mechanik
Oct 1973 - Dec 1987
RWTH Aachen Fakultät 4 Maschinenwesen
Dr.-Ing.
Lehrstuhl für Mechanik

Experience

Jan 1988 - Aug 1997
Forschungszentrum Jülich
Wissenschaftlicher Mitarbeiter
Institute of Safety Research and Reactor Technology
Sep 1981 - Dec 1987
RWTH Aachen Fakultät für Mathematik Informatik und Naturwissenschaften
Wissenschaftlicher Mitarbeiter
Lehrstuhl für Mechanik
Jan 1980 - Aug 1981
Malteser Hilfsdienst e.V.
Ausbilder (Zivildienstleistender)
Rettungsdienst
Sep 1997
FH Aachen - University of Applied Sciences
Professor (full)
Faculty of Medical Engineering and Applied Mathematics

Publications

181Publications

688Reads

1054Profile Views

17PubMed Central Citations

A musculoskeletal shoulder simulation of moment arms and joint reaction forces after medialization of the supraspinatus footprint in rotator cuff repair.

Comput Methods Biomech Biomed Engin 2019 May 5;22(6):595-604. Epub 2019 Mar 5.

a Center for Orthopedic and Trauma Surgery , University Medical Center , Cologne , Germany.

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http://dx.doi.org/10.1080/10255842.2019.1572749DOI Listing
May 2019
2 Reads
1.770 Impact Factor

Postural and Metabolic Benefits of Using a Forearm Support Walker in Older Adults With Impairments.

Arch Phys Med Rehabil 2019 Apr 24;100(4):638-647. Epub 2018 Oct 24.

Max Nader Lab for Rehabilitation Technologies and Outcomes Research, Center for Bionic Medicine, Shirley Ryan Ability Lab, Chicago, IL; Department of Physical Medicine and Rehabilitation, Northwestern University, Chicago, IL. Electronic address:

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http://dx.doi.org/10.1016/j.apmr.2018.10.001DOI Listing
April 2019
8 Reads
2.565 Impact Factor

Electromechanical model of hiPSC-derived ventricular cardiomyocytes cocultured with fibroblasts

6th European Conference on Computational Mechanics (ECCM 6), 7th European Conference on Computational Fluid Dynamics (ECFD 7)

http://www.eccm-ecfd2018.org/admin/files/filePaper/p435.pdf

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2018
2 Reads

Direct plastic structural design by chance constrained programming

6th European Conference on Computational Mechanics (ECCM 6), 7th European Conference on Computational Fluid Dynamics (ECFD 7)

http://www.eccm-ecfd2018.org/admin/files/filePaper/p1777.pdf

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2018
3 Reads

Biomechanical multibody model with refined kinematics of the elbow

6th European Conference on Computational Mechanics (ECCM 6), 7th European Conference on Computational Fluid Dynamics (ECFD 7)

http://www.eccm-ecfd2018.org/admin/files/filePaper/p2085.pdf

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2018
2 Reads

Untersuchung der thermischen Auswirkung von therapeutischem Ultraschall

OUP ∙ Zeitschrift für die orthopädische und unfallchirurgische Praxis

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2018
2 Reads

Computational Analysis of Pelvic Floor Dysfunction

Women's Health and Biomechanics

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2018
5 Reads

Modelling of Soft Connective Tissues to Investigate Female Pelvic Floor Dysfunctions.

Comput Math Methods Med 2018 15;2018:9518076. Epub 2018 Jan 15.

Biomechanics Laboratory, Institute of Bioengineering, Aachen University of Applied Sciences, 52428 Jülich, Germany.

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http://dx.doi.org/10.1155/2018/9518076DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5820624PMC
October 2018
13 Reads
0.770 Impact Factor

Optical strain measurement for the modeling of surgical meshes and their effective porosity

2018;4(1):181-184

Current Directions in Biomedical Engineering

The porosity of surgical meshes makes them flexible for large elastic deformation and establishes the healing conditions of good tissue in growth. The biomechanics modeling of orthotropic and compressible materials requires new materials models and simultaneous fit of deformation in the load direction as well as transversely to load. This nonlinear modeling can be achieved by an optical deformation measurement. At the same time the full field deformation measurement allows the dermination of the change of porosity with deformation. Also, the so-called effective porosity, which has been defined to asses the tissue interaction with the mesh implants, can be determined from the global deformation of the surgical meshes.

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September 2018
5 Reads

Computational comparison of different textile implants to correct apical prolapse in females

Current Directions in Biomedical Engineering

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September 2018
5 Reads

Wind and fairness in ski jumping: A computer modelling analysis.

J Biomech 2018 06 24;75:147-153. Epub 2018 May 24.

Aachen University of Applied Sciences, Institute of Bioengineering, Heinrich-Mußmann-Str. 1, 52428 Jülich, Germany.

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http://dx.doi.org/10.1016/j.jbiomech.2018.05.001DOI Listing
June 2018
4 Reads
2.751 Impact Factor

Corrigendum to "Flight style optimization in ski jumping on normal, large, and ski flying hills" [J. Biomech 47 (2014) 716-722].

J Biomech 2018 04 15;71:313. Epub 2018 Feb 15.

Medical University of Graz, Institute of Biophysics, Neue Stiftingtalstraße 6(MC1.D.)/IV A, 8010 Graz, Austria. Electronic address:

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http://dx.doi.org/10.1016/j.jbiomech.2018.02.001DOI Listing
April 2018
7 Reads
2.751 Impact Factor

Porosity and tissue integration of elastic mesh implants evaluated in vitro and in vivo.

J Biomed Mater Res B Appl Biomater 2018 02 7;106(2):827-833. Epub 2017 Apr 7.

Department of Diagnostic and Interventional Radiology, RWTH University Hospital Aachen, Aachen, Germany.

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http://dx.doi.org/10.1002/jbm.b.33877DOI Listing
February 2018
34 Reads
2.760 Impact Factor

[Female stress incontinence: aspects of pathogenesis and functional anatomy].

Aktuelle Urol 2018 02 1;49(1):47-51. Epub 2018 Feb 1.

Urologische Klinik, Diakoniekrankenhaus, Schwäbisch Hall.

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http://dx.doi.org/10.1055/s-0043-120616DOI Listing
February 2018
11 Reads
0.280 Impact Factor

Surgical treatment of apical-vaginal cuff prolapse using different prosthetic mesh implants: a finite element analysis

2018;85(5):331-342

tm - Technisches Messen

Particularly multiparous elderly women may suffer from vaginal vault prolapse after hysterectomy due to weak support from lax apical ligaments. A decreased amount of estrogen and progesterone in older age is assumed to remodel the collagen thereby reducing tissue stiffness. Sacrocolpopexy is either performed as open or laparoscopic surgery using prosthetic mesh implants to substitute lax ligaments. Y-shaped mesh models (DynaMesh, Gynemesh, and Ultrapro) are implanted in a 3D female pelvic floor finite element model in the extraperitoneal space from the vaginal cuff to the first sacral (S1) bone below promontory. Numerical simulations are conducted during Valsalva maneuver with weakened tissues modeled by reduced tissue stiffness. Tissues are modeled as incompressible, isotropic hyperelastic materials whereas the meshes are modeled either as orthotropic linear elastic or as isotropic hyperlastic materials. The positions of the vaginal cuff and the bladder base are calculated from the pubococcygeal line for female pelvic floor at rest, for prolapse and after repair using the three meshes. Due to mesh mechanics and mesh pore deformation along the loaded direction, the DynaMesh with regular rectangular mesh pores is found to provide better mechanical support to the organs than the Gynemesh and the Ultrapro with irregular hexagonal mesh pores.

https://doi.org/10.1515/teme-2017-0115

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February 2018
11 Reads

Calculation of muscle forces and joint reaction loads in shoulder area via an OpenSim based computer model

2018;85(5):321-330

tm - Technisches Messen

Using the OpenSim software and verified anatomical data, a computer model for the calculation of biomechanical parameters is developed and used to determine the effect of a reattachment of the supraspinatus muscle with a medial displacement of the muscle attachment point, which may be necessary for a rupture of the supraspinatus tendon. The results include the influence of the operation on basic biomechanical parameters such as the lever arm, as well as the calculated the muscle activations for the supraspinatus and deltoid. In addition, the influence on joint stability is examined by an analysis of the joint reaction force. The study provides a detailed description of the used model, as well as medical findings to a reattachment of the supraspinatus.

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February 2018
12 Reads

Plate Osteosynthesis of Proximal Ulna Fractures-A Biomechanical Micromotion Analysis.

J Hand Surg Am 2017 Oct 9;42(10):834.e1-834.e7. Epub 2017 Jun 9.

Center for Orthopedic and Trauma Surgery, University Medical Center of Cologne, Cologne, Germany; Cologne Center for Musculoskeletal Biomechanics, Medical Faculty, Cologne, Germany.

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http://dx.doi.org/10.1016/j.jhsa.2017.05.014DOI Listing
October 2017
91 Reads
1.660 Impact Factor

Modelling of compressible and orthotropic surgical mesh implants based on optical deformation measurement.

J Mech Behav Biomed Mater 2017 10 12;74:400-410. Epub 2017 Jun 12.

Aachen University of Applied Sciences, Institute for Bioengineering, Biomechanics Lab., 52428 Jülich, Germany. Electronic address:

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http://dx.doi.org/10.1016/j.jmbbm.2017.06.012DOI Listing
October 2017
52 Reads
1 Citation

Reply to the letter to the editor: shortening osteotomy of the proximal radius.

Knee Surg Sports Traumatol Arthrosc 2017 10 24;25(10):3328-3329. Epub 2017 Aug 24.

Center for Orthopedic and Trauma Surgery, University Medical Center of Cologne, Kerpener Straße 62, 50937, Cologne, Germany.

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http://dx.doi.org/10.1007/s00167-017-4666-8DOI Listing
October 2017
30 Reads
2.840 Impact Factor

Experimentelle Kraftmessungen als Beitrag zur Wirksamkeitsbeurteilung von Schienbeinschonern im Fußballsport (Experimental measurement of forces as a contribution to evaluate the effectiveness of shin guards in soccer]

2012;1(1):10-15.

OUP Zeitschrift für die orthopädische und unfallchirurgische Praxis

This study was conducted to test the damping effects of commercially available soccer shin guards on their damping effects. Therefore a pendulum impact apparatus with varying impact forces was used. It became clear that shin guards show the best effect at maximum forces of less than 5kN. There is however a need for improvement at greater impact forces. A good starting point was found in an „appropriate interaction of shell and padding” of the shin guard. It was further clarified that a significant improvement on the damping effect could be achieved at least partially over the last years.

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September 2017
21 Reads

Radial shortening osteotomy reduces radiocapitellar contact pressures while preserving valgus stability of the elbow.

Knee Surg Sports Traumatol Arthrosc 2017 Jul 25;25(7):2280-2288. Epub 2017 Feb 25.

Center for Orthopedic and Trauma Surgery, University Medical Center of Cologne, Kerpener Straße 62, 50937, Cologne, Germany.

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http://dx.doi.org/10.1007/s00167-017-4468-zDOI Listing
July 2017
69 Reads
2.840 Impact Factor

Suture button reconstruction of the central band of the interosseous membrane in Essex-Lopresti lesions: a comparative biomechanical investigation.

J Hand Surg Eur Vol 2017 May 29;42(4):370-376. Epub 2016 Aug 29.

1 Center for Orthopedic and Trauma Surgery, University Medical Center of Cologne, Cologne, Germany.

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http://dx.doi.org/10.1177/1753193416665943DOI Listing
May 2017
30 Reads

Shakedown Ananalysis of Plate Bending under Stochastic Uncertainty by Chance Constrained Programming

Proceedings of the VII European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS Congress 2016)

https://www.eccomas2016.org/proceedings/pdf/11106.pdf

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2016
2 Reads

Smoothed finite element methods for nonlinear solid mechanics problems: 2D and 3D case studies

Proceedings of the National Science and Technology Conference on Mechanical - Transportation Engineering (NSCMET 2016)

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2016
2 Reads

Significance of fibre geometry on passive-active response of pelvic muscles to evaluate pelvic dysfunction

BioMedWomen: Proceedings of the International Conference on Clinical and BioEngineering for Women's Health (Porto, Portugal, 20-23 June, 2015)

https://www.taylorfrancis.com/books/e/9781317289579/chapters/10.1201/9781315644622-54

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2016
2 Reads

SHAKEDOWN ANALYSIS OF PLATE BENDING UNDER STOCHASTIC UNCERTAINTY BY CHANCE CONSTRAINED PROGRAMMING

Proceedings of the VII European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS Congress 2016)

https://www.eccomas2016.org/proceedings/pdf/11106.pdf

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2016
7 Reads

A 3D ELECTROMECHANICAL FEM-BASED MODEL FOR CARDIAC TISSUE

Proceedings of the VII European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS Congress 2016)

https://www.eccomas2016.org/proceedings/pdf/11367.pdf

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2016
6 Reads

Sample-specific adaption of an improved electro-mechanical model of in vitro cardiac tissue.

J Biomech 2016 08 11;49(12):2428-35. Epub 2016 Feb 11.

Aachen University of Applied Sciences, Institute of Bioengineering, Biomechanics Lab, Heinrich-Mußmann-Straße 1, 52428 Jülich, Germany. Electronic address:

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http://dx.doi.org/10.1016/j.jbiomech.2016.01.039DOI Listing
August 2016
17 Reads
2.751 Impact Factor

Numerical simulation of urinary incontinence: urethral relocation using surgical mesh implants

9. Jahrestagung der Deutschen Gesellschaft für Biomechanik, 06.-08. Mai 2015, Bonn

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2015
2 Reads

Modeling and simulation of a growing mass by the Smoothed Finite Element Method (SFEM)

YIC GACM 2015, 3rd ECCOMAS Young Investigators Conference, 6th GACM Colloquium, Aachen, Germany, July 20-23, 2015

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2015
2 Reads

Homogenization of a cardiac tissue construct

4th International Conference on Computational and Mathematical Biomedical Engineering - CMBE2015, 29 June - 1 July 2015, Cachan (Paris), France

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2015
2 Reads

Femoroplasty: fracture test, optical strain measurement and FE analysis

9. Jahrestagung der Deutschen Gesellschaft für Biomechanik, 06.-08. Mai 2015, Bonn

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2015
1 Read

Effect of wind on flight style optimisation in ski jumping

XV International Symposium on Computer Simulation in Biomechanics, July 9th-11th 2015, Edinburgh, UK

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2015
2 Reads

Biomechanical study of the female pelvic floor dysfunction using the finite element method

YIC GACM 2015, 3rd ECCOMAS Young Investigators Conference, 6th GACM Colloquium, Aachen, Germany, July 20-23, 2015

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2015
2 Reads

An electromechanical model for cardiac tissue constructs

YIC GACM 2015, 3rd ECCOMAS Young Investigators Conference, 6th GACM Colloquium, Aachen, Germany, July 20-23, 2015

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2015
2 Reads

Adjustment of computational models of cardiomyocytes with respect to the beating frequency

9. Jahrestagung der Deutschen Gesellschaft für Biomechanik, 06.-08. Mai 2015, Bonn

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2015
2 Reads

A simplification for shakedown analysis of hardening structures

YIC GACM 2015, 3rd ECCOMAS Young Investigators Conference, 6th GACM Colloquium, Aachen, Germany, July 20-23, 2015

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2015
3 Reads

Uncertainty Multimode Failure and Shakedown Analysis of Shells

Direct Methods for Limit and Shakedown Analysis of Structures

http://isb

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2015
6 Reads

Simulation of cardiac cell-seeded membranes using the edge-based smoothed fem

Proceeding of the International Conference "Shell and Membrane Theories in Mechanics and Biology: From Macro- to Nanoscale Structures" (SMT in MB 2013)

http://elib.bsu.by/handle/123456789/56608

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September 2015
7 Reads

Computational investigation of drug action on human-induced stem cell-derived cardiomyocytes.

J Biomech Eng 2015 Jul 2;137(7). Epub 2015 Jun 2.

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http://dx.doi.org/10.1115/1.4030173DOI Listing
July 2015
17 Reads
1.780 Impact Factor

Uncertain multimode failure and limit analysis of shells

11th World Congress on Computational Mechanics (WCCM XI), 5th European Conference on Computational Mechanics (ECCM V), 6th European Conference on Computational Fluid Dynamics (ECFD VI) July 20-25, 201

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2014
6 Reads

Shakedown Analysis of Reissner-Mindlin Plates Using the Edge-Based Smoothed Finite Element Method

Direct Methods for Limit States in Structures and Materials

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2014
6 Reads

Optimization of the flight style in SKI jumping

11th World Congress on Computational Mechanics (WCCM XI), 5th European Conference on Computational Mechanics (ECCM V), 6th European Conference on Computational Fluid Dynamics (ECFD VI) July 20-25, 201

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2014
6 Reads

Limit and shakedown analysis under uncertainty

Tạp ch́i Khoa học & ứng dụng - Đại học Tôn Đức Thắng [Journal of Applied Sciences - Ton Duc Thang University]

http://old.tdt.edu.vn/images/stories/tapchikhoahocungdung/tckhud19/5.pdf

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2014
6 Reads

Evaluation of a computational model for drug action on cardiac tissue

11th World Congress on Computational Mechanics (WCCM XI), 5th European Conference on Computational Mechanics (ECCM V), 6th European Conference on Computational Fluid Dynamics (ECFD VI) July 20-25, 201

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2014
6 Reads

A multicriteria method for truss optimization

11th World Congress on Computational Mechanics (WCCM XI), 5th European Conference on Computational Mechanics (ECCM V), 6th European Conference on Computational Fluid Dynamics (ECFD VI) July 20-25, 201

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2014
6 Reads

A face-based smoothed finite element method for hyperelastic models and tissue growth

11th World Congress on Computational Mechanics (WCCM XI), 5th European Conference on Computational Mechanics (ECCM V), 6th European Conference on Computational Fluid Dynamics (ECFD VI) July 20-25, 201

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2014
6 Reads

A 3D finite element model of the female pelvic floor for the reconstruction of urinary incontinence

11th World Congress on Computational Mechanics (WCCM XI), 5th European Conference on Computational Mechanics (ECCM V), 6th European Conference on Computational Fluid Dynamics (ECFD VI) July 20-25, 201

http://isbn

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2014
5 Reads

Introducing a method of in vitro testing of different anchoring systems used for female incontinence and prolapse surgery.

Biomed Res Int 2013 22;2013:401417. Epub 2013 Dec 22.

Department of Neuro-Urology, University Hospital, Rheinische Friedrich-Wilhelms-University, 53127 Bonn, Germany.

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http://dx.doi.org/10.1155/2013/401417DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3881509PMC
July 2014
91 Reads
2 Citations

Flight style optimization in ski jumping on normal, large, and ski flying hills.

J Biomech 2014 Feb 26;47(3):716-22. Epub 2013 Nov 26.

Medical University of Graz, Institute of Biophysics, Harrachgasse 21/4, 8010 Graz, Austria. Electronic address:

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http://dx.doi.org/10.1016/j.jbiomech.2013.11.021DOI Listing
February 2014
36 Reads
2.751 Impact Factor

An upper bound algorithm for limit and shakedown analysis of bounded linear kinematic hardening structures.

Phú Tình Phạm, M. Staat: An upper bound algorithm for limit and shakedown analysis of bounded linear kinematic hardening structures. In: G. de Saxcé, A. Oueslati, E. Charkaluk, J.-B. Tritsch (eds.) Limit States of Materials and Structures: Direct Methods 2. Springer, Dordrecht (2013) 71-87.

The paper develops a new FEM based algorithm for shakedown analysis of structures made of elastic plastic bounded linearly kinematic hardening material. The hardening effect is simulated by using a two-surface plastic model to bound the Melan-Prager model. The initial yield surface can translate inside the bounding surface, without changing its shape and size. The translated yield surface may touch the bounding surface and ratcheting may occur with clear benefit of hardening. Or it may not touch the bounding surface, alternating plasticity may occur and there is no effect of hardening. The direct calculation of plastic limit and shakedown bounds is considered as a nonlinear programming problem. The upper bound of the shakedown load is obtained as the minimum of the plastic dissipation function, which is based on the von Mises yield criterion.

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December 2013
6 Reads

An edge-based smoothed finite element method for primal-dual shakedown analysis of structures under uncertainties.

Thanh Ngọc Trần, M. Staat: An edge-based smoothed finite element method for primal-dual shakedown analysis of structures under uncertainties. In: G. de Saxcé, A. Oueslati, E. Charkaluk, J.-B. Tritsch (eds.) Limit States of Materials and Structures: Direct Methods 2. Springer, Dordrecht (2013) 89-102

This paper deals with the application of a new algorithm of probabilistic limit and shakedown analysis for 2D structures, in which the loading and strength of the material are to be considered as random variables. The procedure involves a deterministic shakedown analysis for each probabilistic iteration, which is based on the primal-dual approach and the edge-based smoothed finite element method (ES-FEM). The limit state function separating the safe and failure regions is defined directly as the difference between the obtained shakedown load factor and the current load factor. A Sequential Quadratic Programming (SQP) is implemented for finding the design point. Sensitivity analyses are performed numerically from a mathematical model and the probability of failure is calculated by the First Order Reliability Method. Because of use of constant smoothing functions in the ES-FEM, only one Gaussian point is required for each smoothing domain ensuring that the total number of variables in the resulting optimization problem is kept to a minimum compared with standard finite element formulation. Numerical examples are presented to show the validity and effectiveness of the present method.

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December 2013
6 Reads

Finite element implementation of a 3D Fung-type model

ESMC-2012 - 8th European Solid Mechanics Conference, Graz, Austria, July 9-13, 2012

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2012
2 Reads

Effectiveness of the edge-based smoothed finite element method applied to soft biological tissues

ESMC-2012 - 8th European Solid Mechanics Conference, Graz, Austria, July 9-13, 2012

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2012
2 Reads

Characterizing the material properties of intestinal tissues

ESMC-2012 - 8th European Solid Mechanics Conference, Graz, Austria, July 9-13, 2012

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2012
2 Reads

Numerical stability enhancement of modeling hyperelastic materials

Proceedings European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS 2012) Vienna, Austria, September 10-14, 2012

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2012
6 Reads

Implementation of the edge-based smoothed extended finite elementmethod

Proceedings European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS 2012) Vienna, Austria, September 10-14, 2012

http://www.scopus.com/inward/record.url?eid=2-s2.0-84871626747&origin=resultslist

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2012
6 Reads

Application of an edge-based smoothed finite element method on geometrically nonlinear plates of nonlinear material

Proceedings European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS 2012) Vienna, Austria, September 10-14, 2012

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2012
6 Reads

A primal-dual shakedown analysis of 3D structures using the face-based smoothed finite element method

Proceedings European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS 2012) Vienna, Austria, September 10-14, 2012

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2012
6 Reads

Finite element modelling of stapled colorectal end-to-end anastomosis: advantages of variable height stapler design.

J Biomech 2012 Oct 4;45(15):2693-7. Epub 2012 Aug 4.

Covidien R&D, France.

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http://dx.doi.org/10.1016/j.jbiomech.2012.07.021DOI Listing
October 2012
9 Reads
1 Citation
2.751 Impact Factor

Determination of the frictional coefficient of the implant-antler interface: experimental approach.

Biomed Tech (Berl) 2012 Oct;57(5):359-63

Department of Prosthodontic, Preclinical Education and Material Science, Rheinische Friedrich-Wilhelms University, Welschnonnenstr. 17, 53111 Bonn, Germany.

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http://dx.doi.org/10.1515/bmt-2012-0010DOI Listing
October 2012
8 Reads
2.425 Impact Factor

Influence of a freeze-thaw cycle on the stress-stretch curves of tissues of porcine abdominal organs.

J Biomech 2012 Sep 4;45(14):2382-6. Epub 2012 Aug 4.

Faculty of Medical Engineering and Technomathematics, Aachen University of Applied Sciences, (FH Aachen), Heinrich-Mußmann-Str. 1, 52428 Jülich, Germany.

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http://dx.doi.org/10.1016/j.jbiomech.2012.07.008DOI Listing
September 2012
35 Reads
1 Citation
2.751 Impact Factor

FEM based shakedown analysis of hardening structures

Proceedings International Conference on Advances in Computational Mechanics (ACOME), August 14-16, 2012, Ho Chi Minh City, Vietnam

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August 2012
2 Reads

New measurements to compare soft tissue anchoring systems in pelvic floor surgery.

J Biomed Mater Res B Appl Biomater 2012 May 28;100(4):924-33. Epub 2012 Jan 28.

Institute of Bioengineering, Aachen University of Applied Sciences, Jülich, Germany.

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http://dx.doi.org/10.1002/jbm.b.32654DOI Listing
May 2012
71 Reads
2 Citations
2.760 Impact Factor

Modified stapler configuration for optimisation of colonic anastomosis

Proccedings of ESSR 2011, 46th Annual Congress of the European Society of Surgical Research, Aachen, Germany, May 25-28, 2011

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2011
2 Reads

Finite element modeling of gastrointestinal tissue stapling

TERMIS-AP 2011, Proceedings of the annual meeting of the Asia Pacific Chapter of the Tissue Engineering and Regenerative Medicine International Society, Singapore, August 3-5, 2011

http://profiles.wizfolio.com/Termis2011/publications/19010/135984/

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2011
2 Reads

Experimental and computational approach to study colorectal anastomosis

ISB 2011, Proceedings of the XXIII Congress of the International Society of Biomechanics, Brussels, Belgium, July 3-7, 2011

http://opus.bibliothek.fh-aachen.de/opus/volltexte/2011/348/

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2011
3 Reads

Analysis of the long-term effect of the MBST® nuclear magnetic resonance therapy on gonarthrosis.

2011;47(11):521-528.

Orthopedic Practice

Based on a questionnaire for patient-queries regarding pain-sensation and activity restrictions during everyday tasks, the long-term effect of MBST® nuclear magnetic resonance therapy is studied in osteoarthritis of the knee. 39 patients, whose therapy dates back up to four years, participated in the study. In addition to an overall view, the success of this therapy is also analyzed regarding age, gender and physical activities. Overall, the study pointed out a sustained improvement in the patients’ local health-status with a significant pain-relief even after four years, but also with a slight increase in pain towards the end of that four-year period. There tends to be a more positive effect on women, on elderly or also on even non-sports-active patients which suggests a possible influence by daily (over)-stressing on the success of the therapy on bone density is also conceivable, however this remains open.

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November 2011
18 Reads

Hypothermic machine perfusion of kidney grafts: which pressure is preferred?

Ann Biomed Eng 2011 Mar 16;39(3):1051-9. Epub 2010 Dec 16.

Institute for Laboratory Animal Science and Experimental Surgery, RWTH-Aachen University, Pauwelsstrasse 30, Aachen, Germany.

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http://dx.doi.org/10.1007/s10439-010-0228-7DOI Listing
March 2011
14 Reads
1 Citation
3.195 Impact Factor

Virtual needle simulation with haptics for regional anaesthesia

Proc. of the IEEE Virtual Reality 2010, Workshop on Medical Virtual Environments, Waltham, MA, USA, March 21, 2010

http://www.fg-medvis.de/dokuwiki/lib/exe/fetch.php?media=medvisaward:2010:ullrich_submission_b.pdf

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2010
2 Reads

Shakedown analysis of two dimensional structures by an edge-based smoothed finite element method

Proceedings ECCM 2010, IV European Conference on Computational Mechanics, Paris, France, May 16-21, 2010

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2010
1 Read

A hyperelastic model of biological tissue materials in tubular organs

Proceedings ECCM 2010, IV European Conference on Computational Mechanics, Paris, France, May 16-21, 2010

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2010
2 Reads

An upper bound algorithm for shakedown analysis of elastic-plastic bounded linearly kinematic hardening bodies

Proceedings ECCM 2010, IV European Conference on Computational Mechanics, Paris, France, May 16-21, 2010

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May 2010
6 Reads

A new model for blunt liver injuries in the swine.

Eur Surg Res 2010 9;44(2):65-73. Epub 2009 Dec 9.

Department of Anaesthesiology, Institute for Laboratory Animal Science, RWTH Aachen University Hospital, Pauwelsstrasse 30, Aachen, Germany.

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http://dx.doi.org/10.1159/000265053DOI Listing
May 2010
15 Reads
8 Citations
1.431 Impact Factor

The use of open source software in biomechanical finite element analysis

Buletinul Institutului Politehnic Din Iaşi

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2008
3 Reads

Reliability analysis of shells based on direct plasticity methods

CD-ROM Proceedings of 8th World Congress on Computational Mechanics (WCCM8) 5th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS 2008) June 30 – July 4, 2008, Ve

http://opus.bibliothek.fh-aachen.de/opus/volltexte/2008/257/

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2008
2 Reads

Material parameters of the reindeer antler for use in dental implant biomechanics

CD-ROM proceedings of the 8th International Symposium on Computer Methods in Biomechanics and Biomedical Engineering. Porto, Portugal, 27th February-1st March 2008

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2008
2 Reads

Limit and shakedown reliability analysis by nonlinear programming

Assessment of Reliability of Materials and Structures: Problems and Solutions. Proceedings of RELMAS 2008, June 17-20, 2008, Saint Petersburg State Polytechnical University, Russia

http://opus.bibliothek.fh-aachen.de/opus/volltexte/2008/258/

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2008
2 Reads

Percutaneous vertebroplasty:

Authors:
Manfred Staat

C. Vant, G. Baroud, M. Staat: Percutaneous vertebroplasty: A review of two intraoperative complications. In: G.M. Artmann, Shu Chien (eds.) Bioengineering in Cell and Tissue Research. Chap. 22. Springer, Berlin (2008) 527-539.

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2008
7 Reads

Finite element shakedown and limit reliability analysis of thin shells

Computational Plasticity. Fundamentals and Applications. COMPLAS IX. Part 1. International Center for Numerical Methods in Engineering (CIMNE), September 5-7, 2007, Barcelona, Spain

http://opus.bibliothek.fh-aachen.de/opus/volltexte/2007/233/

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2007
6 Reads

Analysis of pressure equipment by application of the primal-dual theory of shakedown

Communications in Numerical Methods in Engineering

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2007
6 Reads

Calculation of load carrying capacity of shell structures with elasto-plastic material by direct methods

CD-ROM Proceedings of the International Conference on Material Theory and Nonlinear Dynamics. MatDyn 2007. Hanoi, Vietnam, Sept. 24-26, 2007

http://opus.bibliothek.fh-aachen.de/opus/volltexte/2007/227/

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2007
2 Reads

Mechanical modeling and testing of biological membranes

Regenerative Medicine

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October 2007
2 Reads

Abstracts of the 3rd World Congress on Regenerative Medicine, October 18-20, 2007, Leipzig, Germany.

Authors:

Regen Med 2007 Sep;2(5):485-740

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September 2007
2 Reads
2.786 Impact Factor

Continuum Mechanics with an Introduction to the Finite Element Method / Steve Barry; Manfred Staat. With extensions by Manfred Staat.

Contents: 1 Introduction 2 One Dimensional Continuum Mechanics 3 Tensors 4 Three Dimensional Stress and Strain 5 Conservation Laws 6 Contiunuum Modelling 7 Plain Problems 8 Questions 9 Reference Information

http://opus.bibliothek.fh-aachen.de/opus4/frontdoor/index/index/docId/152

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2006
6 Reads

Biomechanical models to evaluate comfort

EUROFORUM-Konferenz “Automobilinnenraum”, München, 15.-16.02. 2006

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2006
2 Reads

Local and global collapse pressure of longitudinally flawed pipes and cylindrical vessels

International Journal of Pressure Vessels and Piping

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2005
6 Reads

Direct finite element route for design-by-analysis of pressure components

International Journal of Pressure Vessels and Piping

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2005
6 Reads

An algorithm for shakedown analysis of structures with temperature dependent yield stress

PAMM · Proceedings in Applied Mathematics and Mechanics

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2004
6 Reads

A Two Phase Mixture Model based on Bone Observation

PAMM · Proceedings in Applied Mathematics and Mechanics

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2004
6 Reads

An interpretation of Wolff's law

Biomedical Engineering / Biomedizinische Technik

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2004
2 Reads

Probabilistic limit and shakedown problems

Numerical Methods for Limit and Shakedown Analysis. Deterministic and Probabilistic Approach

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2003
2 Reads

Design by analysis of pressure components by non-linear optimization

Pressure Vessel Technology 2003. Proceedings ICPVT-10, July 7 10, 2003 Vienna, Austria

http://opus.bibliothek.fh-aachen.de/opus/volltexte/2005/93/

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2003
2 Reads

Basis reduction technique for limit and shakedown problems

Numerical Methods for Limit and Shakedown Analysis. Deterministic and Probabilistic Approach

http://nbn-resolving.de/urn:nbn:de:0001-2018112115

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2003
2 Reads

Some Achievements of the European Project LISA for FEM Based Limit and Shakedown Analysis

Computational Mechanics: Developments and Applications--2002 : presented at the 2002 ASME Pressure Vessels and Piping Conference : Vancouver, British Columbia, Canada, August 5-9, 2002

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2002
6 Reads

Limit and shakedown analysis with uncertain data

Stochastic Optimization Techniques, Numerical Methods and Technical Applications

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January 2002
2 Reads

Reliability Analysis of Elasto-Plastic Structures under Variable Loads

Inelastic Analysis of Structures under Variable Loads: Theory and Engineering Applications

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2000
6 Reads

Limit analysis of defects

M. Staat, M. Heitzer, Yan Ai-Min, Vu Duc Khoi, Nguyen Dang Hung, F. Voldoire, A. Lahousse: Limit analysis of defects. Bericht des Forschungszentrums Jülich, Jül-3746, March 2000. http://juser.fz-juelich.de/record/54193

Forschungszentrum Jülich

http://d-nb.info/959352511

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March 2000
6 Reads

Reliability assessment of passive safety systems

Proc. of the 6th Internat. Conf. on Nuclear Engineering, San Diego, Calif., May 10-15, 1998, ICONE 6-6340

http://hdl.handle.net/10840/3114

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1998
2 Reads

Reliability methods for passive safety function

Proceedings of Post SMiRT 14, Seminar 18 Passive Safety Features in Nuclear Installations, Pisa, August 25-27, 1997

http://hdl.handle.net/10840/2613

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1997
2 Reads

Limit and shakedown analysis for plastic safety of complex structures

Transactions of the 14th International Conference on Structural Dynamics in Reactor Technology (SMiRT-14), Lyon, France, August 17-22, 1997

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1997
2 Reads

Limit and shakedown analysis using a general purpose finite element code

Proceedings of NAFEMS World Congress '97 on Design, Simulation & Optimisation : reliability & applicability of computational methods ; Stuttgart, Germany, 9 - 11 April 1997

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May 1997
2 Reads

Problems and chances for probabilistic fracture mechanics in the analysis of steel pressure boundary reliability

Technical feasibility and reliability of passive safety systems for nuclear power plants. Proceedings of an Advisory Group Meeting held in Jülich, 21-24 November 1994

http://opus.bibliothek.fh-aachen.de/opus/volltexte/2006/189/

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1996
2 Reads

Reliability of the primary circuit pressure boundary of an HTR-module under accident conditions

Safety and Reliability Assessment. An Integral Approach, ESREL '93,, München, 10 - 12 May 1993

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1993
2 Reads

Sensitivity of and influences on the reliability of an HTR-module primary circuit pressure boundary

Transactions of the 12th International Conference on Structural Dynamics in Reactor Technology (SMiRT-12), Stuttgart, Germany, August 15-20, 1993

http://www.iasmirt.org/transactions/12/MG10-2

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1993
2 Reads

Überarbeitete probabilistisch orientierte Sicherheitsanalyse für den HTR-Modul

Jahrestagung Kerntechnik '90. INFORUM, Mai 15-17, 1990, Nürnberg, Germany

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1990
1 Read

Fundamental Aspects of Numerical Methods for the Propagation of Multi-Dimensional Nonlinear Waves in Solids

Nonlinear Hyperbolic Equations — Theory, Computation Methods, and Applications

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1989
7 Reads

Wave propagation and focussing in plates

Impact Loading and Dynamic Behaviour of Materials, IMPACT '87 - International Conference on Impact Loading and Dynamic Behaviour of Materials. May 18-22, 1987, Bremen, Germany

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1988
2 Reads

Computation of Impacts on Elastic Solids by Methods of Bicharacteristics

Computational Mechanics ’88, Theory and Applications

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1988
7 Reads

Nichtlineare Wellen in elastischen Scheiben.

Authors:
Manfred Staat

M. Staat: Nichtlineare Wellen in elastischen Scheiben. Dissertation, RWTH Aachen (1987).

http://d-nb.info/890929769

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December 1987
4 Reads

Top co-authors

Kilian Wegmann
Kilian Wegmann

University Medical Center

4
Ralf Frotscher
Ralf Frotscher

Aachen University of Applied Sciences

4
Michael Hackl
Michael Hackl

Center for Orthopedic and Trauma Surgery

4
Alexander Jung
Alexander Jung

Stiftung Orthopädische Universitätsklinik Heidelberg

4
Ruth Kirschner-Hermanns
Ruth Kirschner-Hermanns

Urological Clinic

3
Stephanie L Kahmann
Stephanie L Kahmann

Institute of Bioengineering

2
Nicolai Heinze
Nicolai Heinze

Institute for Medical Engineering

2
Wolfram F Neiss
Wolfram F Neiss

University of Cologne

2