半无限长弹性杆与有限长弹性梁的横向冲击力近似公式
APPROXIMATE FORMULA FOR NORMAL IMPACT OF A FINITE ELASTIC BEAM BY A SEMI-INFINITE ELASTIC ROD
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Abstract: The normal impact of a finite elastic initially rest beam by a semi-infinite elastic rod with initial velocity is investigated in this paper. The approximate analytical solution of the impact force is obtained using the Galerkin method. Some discussions are made.
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Keywords:
- impact force /
- elastic wave /
- Galerkin principle
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