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本文在椭圆坐标系下,借助于贝塞尔函数乘积形式的马丢函数,并依据Neuber的简化原理,利用微分方程法直接求解薄壳微分方程,得到了带环向钝裂纹受拉圆柱壳(见图A)裂顶附近的带有ρ钝修正项的弹性应力场方程。
In the elliptic coordinate system, by using the horse-throw function in product form of Bessel function and using Neuber’s simplified principle, the differential equation method is used to directly solve the shell differential equation. See Figure A) Elastic stress field equation with ρ blunt corrections near the crack tip.