Meanwhile, we give the buckling load of a simple-supported Euler beam with the double modulus by numerical calculation, and analyze the influences of the double modulus to the stability of beam. At last, some problems needing to be further explored are pointed out. 最后,通过数值计算得到了拉压双模量简支Euler梁的屈曲载荷,分析了拉压双弹性模量对屈曲载荷的影响,指出了存在的问题以及今后的研究方向。
Then based on this new viewpoint, the coupled mathematical model for coal seam deformation and gas leakage flow in a double coal seam was formulated and the practical numerical simulations for gas emission from area of closer to up ( down ) coal seam was successfully achieved. 依据这一新认识,建立了双层系统煤层气越流与煤岩弹性变形的固气耦合数学模型,并成功地应用该耦合模型于邻近层煤层气涌出的数值模拟实例中。
And this result has a new frame of reference to the design and parameter selection optimization of double circular gear, which also offers a new mathematical model about the double circular gear bending stress numerical analysis. 本文研究结果为双圆弧齿轮设计、参数优化选择等提供了新的参考依据,也为双圆弧齿轮弯曲应力数值分析提供了新的数学模型。
The index loss of a HTS magnet including 20 double - pancake coils at 20 K was analyzed using numerical simulation. 数值仿真了在20K温度下由20个高温超导双饼线圈组成的超导磁体的指数损耗。
Based on the principle of superposition, a reversible creep expression was derived. According to this expression, a double function creep model for concrete was established and contrasted with a common creep model through the numerical analysis under various loads. 在叠加原理的基础上建立了混凝土徐变恢复函数,并利用恢复函数与徐变度函数建立了基于等效历史应力假定的双功能徐变函数。