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AnyBody Newsletter: Bone loss and countermeasures, publications, TLEM model for download

September 03, 2008

In this issue:

  • AnyBody publications
  • The AnyBody Modeling System version 3.0.3 has been released
  • Twente Lower Extremity Model (TLEM) now available for download
  • Upcoming webcast
  • Tips and tricks #14: Create impressive animations
  • Bone loss and countermeasures feasability study
  • FEM-Simulation in prostheses and implant development seminar
  • New version of C3d2Any
  • New investors
  • TechNet Alliance news
  • Events: Meet AnyBody at... 


AnyBody publications

JZ Wu, SS Chiou, and CS Pan (2008). Analysis of the effects of stilts walking on joint moments in low extremities.Poster presented at the NACOB2008 conference, Ann Arbor, MI.

JZ Wu, SS Chiou, and CS Pan (2008). Analysis of the effects of stilts walking on musculoskeletal loading in low extremities.Poster presented at the NACOB2008 conference, Ann Arbor, MI.

JM Finley, EJ Perreault, YY Dhaher (2008). Stretch reflex coupling between the hip and knee: implications for impaired gait following stroke. Exp. Brain Res. 188: 529-540.

L Capitanu et al.(2008). Complex Procedure for Evaluating the Fatigue Wear of Tibial Inserts for Patients with Abnormal Walking. 9th WSEAS Int. Conf. on MATHEMATICS & COMPUTERS IN BIOLOGY & CHEMISTRY (MCBC '08), Bucharest, Romania, June 24-26, 2008

A Nolte, P Augat, J Rasmussen (2008): Analysis of the muscle and joint forces in the shoulder joint using the AnyBody simulation model. Poster presented at the ESB2008 conference, Luzern, Switzerland.

J Rasmussen (2008). Prediction of Human Posture and Movement by Musculoskeletal Optimization. Poster presented at the ASME2008 conference, Marco Island, FL.

C Runde, A Czaykowska (2008). Simulation und Virtuelle Realität in der Medizin: Mehrwert und Hilfe für Artz und Patient. Digital Engineering 5, 21-23.

The AnyBody Modeling System version 3.0.3 has been released

This minor releases which is now available for download from our website (registra- tion is required) includes some bug fixes, updates in Windows Vista compatibility, and data export/output files.

The most notable update is in the Mechanical studies (AnyMechStudy and AnyBodyStudy) which have been equipped with new data export feature.

This new AnyMechOutputFileForceExport features exports forces and segment data for post calculations with structural analysis tools, e.g. finite element tools. Note: This facility is currently to be regarded as a beta release.

The full release notes are included with the software when it is downloaded.

Twente Lower Extremity Model (TLEM) now available for download

This model which was announced in the previous newsletter is now available for download from the Previous webcasts page together with Sebastian Dendorfer recent webcast presentation on the subject. Note: Registration is required to download from this webpage.

The model will subsequently become part of the AnyBody Model Repository. It is therefore currently deemed a pre-release.

Completion of the model was done by AnyBody Technology in a feasability project for the European Space Research and Technology Centre (ESTEC), the technical heart of European Space Agency (ESA). Details about this project are explained in the opposite column in this newsletter.

Upcoming webcast

  • 25 Sep: Implementation of facet joints in a lumbar spine model
    Speaker: Mark de Zee, PhD, Aalborg University

Many previous webcasts are available for download and replay here.

Tips and tricks #14: Create impressive animations

This small file contains the definition of a moving camera using the AnyCamera class. Unlike the classic recorder of the model view, AnyCamera can fly around your model in complex paths. The results are impressive videos appreciated for presentations, exhibitions, etc.

AnyCamera object showing itself in the Model View

To use the camera you just have to include this file in the study folder of the Main file and run an analysis. Don’t forget to create a folder “MovingCamera” to store the images, otherwise it will not work. Several strategies for driving the camera are given as examples in the file, but of course you are free to create your own smart trajectories and do the best video ever...

Keep us updated on your progress :-)



Bone loss and countermeasures feasability study

Von Mieses stress field in tibia during the gait (1g; preswing within the stance phase)
Click to enlarge

AnyBody Technology recently completed a feasability project for the European Space Research and Technology Centre (ESTEC), the technical heart of European Space Agency (ESA). 

The aim was to develop and apply AnyScript software models suitable for research in the areas of neuromuscular activity, bone loss and countermeasure development.

In order to prove the feasibility to analyze countermeasure exercises with the AnyBody Modeling System two gait applications simulating gait on a treadmill in microgravity with different levels of harness pretension were developed. All forces acting on the tibia were analyzed at one time step during the gait cycle and used transferred to a Finite Element model. The internal stresses and strains in the tibia were computed for normal walking (as shown above) and for the two different harness configurations.

Furthermore, a show-case application was developed which simulated a novel counter exercise machine, a rowing machine being developed by ESE GmbH.

The ESE rowing machine model
Click to view the animation (10Mb)

View the final report of the feasability study here.

Acknowledgement: We are extremely grateful to ESTEC and ESE GmbH for permission to publish the results of this project despite their preliminary status.

FEM-Simulation in prostheses and implant development: Seminar Oct. 8 in Stuttgart, Germany

Our German parner CADFEM GmbH invites to this information day targeted at development engineers working in the field of implant and prostheses design.

The information day will give you an overview of the software Mimics and 3-matic developed by Materialise and used for segmentation and construction of CAD-geometries out of patient individual CT datasets, the use of the Finite Element Software ANSYS to determine weak points in the implant design and the AnyBody Modeling System to calculate realistic boundary conditions for ANSYS.

The information day is free of charge but attendees have to register due to organization reasons. The language will be German. This link will lead you to the agenda and registration form.

New version of C3d2Any

A new updated version of this program capable of feeding C3D-file format data into AnyBody has been released by the developer Michael Skipper Andersen.

Further information can be found here.

New investors 

The Anybody Team is extremely pleased to welcome two new investors on board. They join us to take advantage of the huge market opportunity they see for our technology. In December 2007 The SparVest Foundation came a major shareholder, and recently Sahva Innovation joined as well.

The SparVest Foundation has its roots in the Danish banking sector having a broad range of investments. Sahva Innovation is owned by the Sahva Foundation, the owner of the largest Danish retailer in prostheses, orthoses, orthopaedic shoes and other assistive devices. Their investment will enable us to build the necessary platform for the next steps in deploying The Anybody Modeling System and derived products into broad-scale commercial use.

TechNet Alliance news

AnyBody Technology is the proud member of TechNet Alliance which is perhaps the world's largest network of engineering solution providers in the world with more than 1800 CAE experts.- dedicated to the application, development, marketing and support of CAE software.

View the recent newsletter edition here.

Events: Meet AnyBody at...

1st i-FAB Congress, Sept. 4-6, Bologna, Italy

TCN CAE 2008 & Enginsoft Users' Meeting, Oct. 16-17, Mestre, Italy

ANSYS Conference & 26th CADFEM Users' Meeting, Oct. 24-26, Darmstadt, Germany

German Congress of Orthopaedics and Trauma Surgery, Oct. 22-25, Berlin, Germany

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Sincerely
The AnyBody Team.

As usual, if you have news, questions or comments, please do not hesitate to contact us.


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