Research on the Numerical Method and Parametric Study of Constitutive Model of Modified Double Base Propellant

DOI

10.2991/icmmita-16.2016.171How to use a DOI?

Keywords

Constitutive Model; Numerical Method; Parametric Study

Abstract

In order to characterize uniaxial mechanical properties of modified double base propellant, a one dimensional form of viscoelastic-viscoplastic constitutive model is derived. In order to solve the first-order ordinary differential equations (ODEs) consisted by viscoplastic flow rule and internal state variables evolution, the backward difference formulas (BDF) is applied and achieved by MATLAB procedure.The effect of viscoplastic parameters on viscoplastic creep strain is analyzed by adjusting viscoplastic parameters based on a set of the given parameters, the results show that the greater values of viscoplastic potential energy parameter correspond to more flow while correspond to more flow,the greater values of the hardening function parameters result in less flow.

Copyright

© 2017, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Hongli Wang
AU  - Jinsheng Xu
PY  - 2017/01
DA  - 2017/01
TI  - Research on the Numerical Method and Parametric Study of Constitutive Model of Modified Double Base Propellant
BT  - Proceedings of the 2016 4th International Conference on Machinery, Materials and Information Technology Applications
PB  - Atlantis Press
SP  - 923
EP  - 929
SN  - 2352-538X
UR  - https://doi.org/10.2991/icmmita-16.2016.171
DO  - 10.2991/icmmita-16.2016.171
ID  - Wang2017/01
ER  -