By analyzing and comparison between the solid model and beam element model for the high-piled wharf, both the advantage and the disadvantage are summarized.
通过对高桩码头实体模型和梁单元模型分析比较，总结了两种建模的优缺点。
Laser techniques is surging with LD-pumped solid-state laser. But, the stability, model and beam quality of the laser are strongly affected by the thermal lens effect at high power.
LD泵浦固体激光器出现使激光器得到飞速发展，但是其在大功率运行时所表现出的强烈的热透镜效应，严重影响了激光器的稳定性和输出光的模式、光束质量。
The results show that the solid element model are accurate but modeling complex, the virtual beam element model has the maximum error about -2.3% compared with the solid model.
计算结果表明：实体模型计算结果准确但建模复杂，与之相比，虚拟横梁单元模型的最大误差为-2.3%。
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