Three-dimensional finite element modelling of skeletal muscles: Parameter identification, simulation and verification
骨骼肌三维有限元建模:参数辨识、仿真与验证
基本信息
- 批准号:127753742
- 负责人:
- 金额:--
- 依托单位:
- 依托单位国家:德国
- 项目类别:Research Grants
- 财政年份:2009
- 资助国家:德国
- 起止时间:2008-12-31 至 2023-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
As most muscles are tightly packed in ‘muscle-packages’, they have to interact with surrounding muscle tissue during contraction. In order to gain a deeper understanding of muscle packing under the premise of force generation and contraction velocity, it is necessary to study the architecture, the three-dimensional deformation and the power development of muscle packages.Based on this question, the main goal of this project throughout the entire funding phase is the development of a three-dimensional muscle model that allows realistic predictions of force development and three-dimensional deformation during muscle contractions. This was already achieved for the soleus muscle (SOL) of the rabbit. In this final funding phase, the developed model will also be transferred to other calf muscles of the rabbit (gastrocnemius muscle: GAS, plantaris muscle: PLA), which will ultimately be merged into a muscle package model (SOL, GAS, PLA).Thus, the goal of this final phase, which completes the overall project, is the additional acquisition of geometry data (aponeurosis localisation, three-dimensional fibre distributions) whose necessity has been proven due to the impact of muscle packing on muscle architecture. Further, open work from the previous funding phase for the characterisation of the material properties of GAS and PLA as well as for data evaluation and model validation shall be completed. Due to time-consuming and sometimes unexpected working steps (which were necessary for the processing of the application), this was not possible in the previously funded project period. Hence, there are extensive, experimental, three-dimensional muscle surface data during contraction for the GAS and the entire muscle package that still need to be evaluated.The data collected in this last funding phase will be incorporated into a three-dimensional model describing the muscle package. Thus, for the first time, a muscle package model is available, which enables the handling of selected questions on the function and the design of muscles, muscle packages and body segments.
由于大多数肌肉都紧密地包裹在“肌肉包”中,因此在收缩过程中它们必须与周围的肌肉组织相互作用。为了更深入地了解肌肉在产生力量和收缩速度前提下的收缩情况,有必要对肌肉包的构筑、三维变形和力量发展进行研究,基于这个问题,在整个资助阶段,该项目的主要目标是开发一个三维肌肉模型,该模型允许对力量发展进行现实预测,肌肉收缩时的空间变形。这已经在家兔比目鱼肌(SOL)中实现。在这最后的资金阶段,开发的模型还将转移到兔子的其他小腿肌肉上(腓肠肌:GAS,跖肌:PLA),最终将合并为肌肉包车型因此,完成整个项目的最后阶段的目标是额外采集几何数据(腱膜定位,三维纤维分布),其必要性已被证明是由于肌肉包装对肌肉结构的影响。此外,应完成上一个资助阶段的开放工作,以表征GAS和PLA的材料特性以及数据评估和模型验证。由于工作步骤耗时,有时还出乎意料(这是处理申请所必需的),在以前供资的项目期间无法做到这一点。因此,GAS和整个肌肉包在收缩过程中仍有大量的实验性三维肌肉表面数据需要评估。在最后一个资助阶段收集的数据将被纳入描述肌肉包的三维模型中。因此,第一次,一个肌肉包模型是可用的,这使得能够处理有关肌肉,肌肉包和身体部分的功能和设计的选定问题。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Professor Dr.-Ing. Markus Böl其他文献
Professor Dr.-Ing. Markus Böl的其他文献
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