TY - JOUR
T1 - Coefficients of restitution for elastoplastic oblique impacts
AU - Wu, Chuan-yu
AU - Thornton, Colin
AU - Li, LY
PY - 2003/11/29
Y1 - 2003/11/29
N2 - The paper presents results of a finite element analysis of both elastic and elastoplastic oblique impacts of a sphere with a target wall using the DYNA3D code. For elastic oblique impacts, the results are in complete agreement with previous publications. For elastoplastic oblique impacts, the rebound kinematics depend on the normal coefficient of restitution, which is conventionally assumed to be a function of the normal impact velocity irrespective of the impact angle. The results of the finite element simulations of elastoplastic impacts demonstrate that this is not the case.
AB - The paper presents results of a finite element analysis of both elastic and elastoplastic oblique impacts of a sphere with a target wall using the DYNA3D code. For elastic oblique impacts, the results are in complete agreement with previous publications. For elastoplastic oblique impacts, the rebound kinematics depend on the normal coefficient of restitution, which is conventionally assumed to be a function of the normal impact velocity irrespective of the impact angle. The results of the finite element simulations of elastoplastic impacts demonstrate that this is not the case.
KW - finite element analysis
KW - particle impact
KW - elastoplastic
KW - restitution coefficients
KW - elastic
UR - http://www.scopus.com/inward/record.url?scp=0141569906&partnerID=8YFLogxK
U2 - 10.1163/156855203769710663
DO - 10.1163/156855203769710663
M3 - Article
SN - 1568-5527
SN - 1568-5527
SN - 1568-5527
SN - 1568-5527
VL - 14
SP - 435
EP - 448
JO - Advanced Powder Technology
JF - Advanced Powder Technology
IS - 4
ER -