Lower leg (Ivarsson 2006)#

Validation model information#

  • Performed by: Elena Weissenbacher, Nico Erlinger

  • Reviewed by: Corina Klug

Added to VIVA+ Validation Catalog on: 2022-12-23

Last modified: 2023-11-23

Model version (this notebook run for): 0.3.2

© 2019-2024, OpenVT Organization (OVTO)

Available openly under under Creative Commons Attribution 4.0 International License

Experiments by Ivarsson et al. (2006)#

#

Ivarsson, J.; Crandall, J.; Genovese, D.; Bose, D.; Bolton, J.; Provencher, J-A.; Erwin, M.; Manaswi, A.; Untariou, C. 2006. Development of a new tibia index. A Report Prepared for NHTSA, Cooperative Agreement No. DTNH22-01-H-07292.

Ivarsson-2006-setup.png

Summary#

Four female tests were replicated.

Information on the subjects/specimens#

Test

Sex

Donor age [yr]

Impact direction

Tib 2-17

F

43

posterior-anterior

Tib 3-10

F

42

anterior-posterior

Tib 3-17

F

57

anterior-posterior

Tib 3-25

F

38

anterior-posterior

Loading and Boundary Conditions#

The displacement-time histories of the impactor were downloaded from the NHTSA Biomchanics Test Database (www.nhtsa.gov/research-data/research-testing-databases).

Experimental responses#

The force-time histories of the impactor were downloaded from the NHTSA Biomchanics Test Database (www.nhtsa.gov/research-data/research-testing-databases).

Other notes for simulation#

Impactor force plots#

Hide code cell source
create_subplots(
figure_title = 'Impactor force',    
sim_x_data = ('MODEL', 'Impactor_contact_Force_z', 'time'),
sim_y_data = ('MODEL', 'Impactor_contact_Force_z', 'force'),
sim_name1_legend = 'Simulation',
exp_x_data = ('time', 'ms'),
exp_y_data = ('force', 'kN'),
exp_name1_legend = 'Experiment',
x_label = ('Time [ms]'),
y_label = ('Force [kN]'),
x_lim = [0, 50],
y_lim = [-2, 1],
filename_save = 'results/figures/Ivarsson_2006_force_time.svg' )
  
../_images/f45f1f8f630377c02e3f691a4e42c258c9b4579eec905ff97c247f3728bd76a4.png

Plot strain-time histories#

Hide code cell source
create_subplots(
figure_title = 'Cortical bone strain tibia',
sim_x_data = ('MODEL', 'Tibia_Cortical_R_PS99', 'time'),
sim_y_data = ('MODEL', 'Tibia_Cortical_R_PS99', 'strain'),
sim_x_data2 = ('MODEL', 'Tibia_Cortical_R_MPS', 'time'),
sim_y_data2 = ('MODEL', 'Tibia_Cortical_R_MPS', 'strain'),
sim_name1_legend = 'PS99',
sim_name2_legend = 'MPS',
x_label = 'Time [ms]',
y_label = 'Strain [-]',
x_lim = [0, 50],
filename_save = 'results/figures/Ivarsson_2006_tibia_strain_time.svg')    

create_subplots(
figure_title = 'Cortical bone strain fibula',
sim_x_data = ('MODEL', 'Fibula_Cortical_R_PS99', 'time'),
sim_y_data = ('MODEL', 'Fibula_Cortical_R_PS99', 'strain'),
sim_x_data2 = ('MODEL', 'Fibula_Cortical_R_MPS', 'time'),
sim_y_data2 = ('MODEL', 'Fibula_Cortical_R_MPS', 'strain'),
sim_name1_legend = 'PS99',
sim_name2_legend = 'MPS',
x_label = 'Time [ms]',
y_label = 'Strain [-]',
x_lim = [0, 50],
filename_save = 'results/figures/Ivarsson_2006_Fibula_strain_time.svg')    
../_images/e1c91196ea2c7b9b3c0e15b286c8997514fe81d41c1d4517d7b2826a2fedc93a.png ../_images/60e142e6d71cbec8b8529919639c9d59895c8501458a6155292354eb843286c8.png

Engergy-time plots#

Hide code cell source
create_subplots(
figure_title = 'Engery time histories',
sim_x_data = ('MODEL', 'Total_Energy', 'time'),
sim_y_data = ('MODEL', 'Total_Energy', 'energy'),
sim_x_data2 = ('MODEL', 'Internal_Energy', 'time'),
sim_y_data2 = ('MODEL', 'Internal_Energy', 'energy'),
sim_x_data3 = ('MODEL', 'Kinetic_Energy', 'time'),
sim_y_data3 = ('MODEL', 'Kinetic_Energy', 'energy'),
sim_x_data4 = ('MODEL', 'Hourglass_Energy', 'time'),
sim_y_data4 = ('MODEL', 'Hourglass_Energy', 'energy'),
sim_name1_legend = 'Total energy',
sim_name2_legend = 'Interal energy',
sim_name3_legend = 'Kinetic energy',
sim_name4_legend = 'Hourglass energy',
x_label = 'Time [ms]',
y_label = 'Energy [J]',
x_lim = [0, 50],
filename_save = 'results/figures/Ivarsson_2006_time_energy_histories.svg')
../_images/ef979caf6740713b36f75665a2ee64a52accf3a3463acefe962f932feae4f3df.png