bottorm echo
... borehole thermometer井温仪 bottorm echo底面反射波 bottom flange下阀盖 ...
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3.4 底面反射波(back wall echo) 两探头之间底面反射的波,有纵波底面和变形横波底面波。
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考虑到人工截断边界上波反射对计算结果的影响,分别用传递边界和半无限单元来处理侧面和底面边界。
In order to reduce the effect of wave reflecting on artificial boundary, transmitting boundary and semi-infinite element are respectively used to treat the lateral and underside boundaries.
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