| 1. | Lu , p . , chen , h . b . and mahrenholtz , o . ( 1997 ) : an improvement of boundary element formulation for elasticity with body forces . mechanics research communications , 24 , 569 - 574 陈海波,黄颖青,肖奇志,吕品,吴长春( 1997 ) :杂交边界元与有限元的变分耦合方法。计算力学学报, 14卷增刊, 403 406 。 |