Calibrating the Abaqus Crushable Foam Material Model using UNM Data
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Triaxial test data from the University of New Mexico and uniaxial test data from W-14 is used to calibrate the Abaqus crushable foam material model to represent the syntactic foam comprised of APO-BMI matrix and carbon microballoons used in the W76. The material model is an elasto-plasticity model in which the yield strength depends on pressure. Both the elastic properties and the yield stress are estimated by fitting a line to the elastic region of each test response. The model parameters are fit to the data (in a non-rigorous way) to provide both a conservative and not-conservative material model. The model is verified to perform as intended by comparing the values of pressure and shear stress at yield, as well as the shear and volumetric stress-strain response, to the test data.
- Research Organization:
- Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC52-06NA25396
- OSTI ID:
- 1122031
- Report Number(s):
- LA-UR-14-21257
- Country of Publication:
- United States
- Language:
- English
Similar Records
Carbon syntactic foam mechanical properties testing
A multiscale study of damage in elastomeric syntactic foams