Human centric virtual driven product development - Using FE simulation to compare passive versus active muscle activity for human body model development
Typ
Examensarbete för masterexamen
Master's Thesis
Master's Thesis
Program
Biomedical engineering (MPBME), MSc
Publicerad
Författare
Tjernberg, Sigrid
Modellbyggare
Tidskriftstitel
ISSN
Volymtitel
Utgivare
Sammanfattning
Abstract
The aim of this thesis was to gather information about active and passive muscle tissue around the pelvis and use it to simulate the effect on a human body model (HBM). A literature review was conducted in order to find muscle tissue parameters that could be used in the simulation of muscles around the pelvis. Three studies were chosen to compare muscle tissue parameters, the last of which included muscle
tissue parameters for both passive and active muscle tissue. The literature review was also conducted to investigate the effects of body mass index (BMI) on the muscle tissue properties. Then two models were designed in order to simulate in vivo and in vitro muscle tissue tests which were used for the first sets of simulations. The first simulations were designed to be done quickly so that several different muscle tissue parameters could be tested effectively and compared. Part of this comparison was to check the material model stability in the range of relevant strains. The last step was to implement the muscle tissue parameters in a HBM and see how it affected the model. The results showed that there is a lack of information within the field and a lot of misinformation where bad values were being used, however a few studies which were deemed as good which had parameters which could be used in ABAQUS FEA were summarized in this thesis. All these muscle tissue parameters were tested on the cylinder designs which resulted in force-displacement plots which could be compared to each other. Active and passive muscle material parameters were then applied to a HBM which resulted in two different models which were compared. The conclusion of the thesis showed that active versus passive tissue does affect the HBM.
Beskrivning
Ämne/nyckelord
Keywords: FE, HBM, muscle tissue, active muscles, passive muscles, ABAQUS