三维弹性问题的解析解是很难得到的。
Analytical solutions for three dimensional elasticity problems are quite difficult to obtain.
数值结果表明，AMG＿CG法对求解三维弹性问题有限元方程是十分有效和健壮的。
Numerical results have shown that this AMG_CG method is very efficient and robust.
本文提出利用三维势流理论和薄壁梁理论计算大开口集装箱船的水弹性问题。
Both the three-dimensional potential theories and thin-walled beam theories are applied to the hydroelastic analysis of container ships with large deck openings in this paper.
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