**************************************************************
** Geometry and Property Files
**************************************************************
**
** Bone Geometry and Properties
*INCLUDE, INPUT = BONE_TIBIA.inp
*INCLUDE, INPUT = BONE_FOOT.inp
*INCLUDE, INPUT = PROPS_BONES_TIBIA.inp
*INCLUDE, INPUT = PROPS_BONES_FOOT.inp
**
** Cartilage Geometry and Properties
*INCLUDE, INPUT = CARTILAGE_TIBIA.inp
*INCLUDE, INPUT = CARTILAGE_TALUS.inp
*INCLUDE, INPUT = CARTILAGE_PROPS.inp
**
**************************************************************
** Muscle Geometry and Properties
*INCLUDE, INPUT = MUSC_TIB_ANT.inp
*INCLUDE, INPUT = MUSC_SOLEUS.inp
**
** Joint Alignment/Connectors
*INCLUDE, INPUT = JOINT_CONFIGURATION.inp
**
** Contact Defititions
*INCLUDE, INPUT = CONTACT_INCLUSIONS.inp
**
**************************************************************
** Step 1
**************************************************************
**
*STEP
*DYNAMIC, EXPLICIT, DIRECT USER CONTROL
2.5E-5, 10.0
*OUTPUT,FIELD,VARIABLE=PRESELECT, TIME INTERVAL=0.025
**
**************************************************************
** Prescribe Kinematics
**************************************************************
**
*BOUNDARY, OP=NEW
** tibia rbrn
10, 1,6, 0.0
**
** Constrain ankle motion because forces input are for an isometric contraction
*CONNECTOR MOTION, OP=NEW
Link_AnkleML, 1, 0
Link_AnkleML, 4, 0
Link_AnkleAP, 1, 0
Link_AnkleAP, 4, 0
Link_AnkleSI, 1, 0
Link_AnkleSI, 4, 0
**
**************************************************************
** Subroutine User Amplitude Definition
**************************************************************
**
*AMPLITUDE, VALUE=RELATIVE, NAME=amp_soleus, DEFINITION=USER, VARIABLES=1000
**
*AMPLITUDE, VALUE=RELATIVE, SMOOTH=0.1, NAME=amp_tibant
0.0, 0.0, 0.5, 5, 10.0, 5
**
*CONNECTOR LOAD, OP=NEW, AMPLITUDE=amp_tibant
musc_tibant, 1, -1
*CONNECTOR LOAD, OP=NEW, AMPLITUDE=amp_soleus
musc_soleus, 1, -1
** 
**************************************************************
** Outputs
**************************************************************
**
*OUTPUT, HISTORY, TIME INTERVAL=0.025
*ELEMENT OUTPUT, ELSET=musc_tibant
CTF, CU
*ELEMENT OUTPUT, ELSET=musc_soleus
CTF, CU
*ELEMENT OUTPUT, ELSET=Link_AnkleML
CTF, CU
*ELEMENT OUTPUT, ELSET=Link_AnkleAP
CTF, CU
*ELEMENT OUTPUT, ELSET=Link_AnkleSI
CTF, CU
**
**************************************************************
*END STEP
**