The temperature of surface zone in mass concrete under different boundaries is controlled by semi infinite model, and is transferred to and calculated by an equivalent .
利用混凝土传热的延迟性质 ,研究了任意降温过程中半无限平面问题无限平面化的条件。
A new type of water-soluble semi-inorganic silicon steel sheet varnish was developed for enhancing the insulation between silicon steel sheets which were used in electric motors.
为了增大电机铁芯叠片间的绝缘,以改型酚醛树脂为基体,纳米TiO2为无机填料,研制了一种新型的水溶性半无机硅钢片漆。
With an analysis of the roll shaping helical bolts, the paper proposes the reasonable deforming procedures as the bolts being under roll shaping, known as the press in semi infinite body through flat anviling.
通过对螺旋钉滚压成形的分析,提出螺旋钉的合理变形过程一平砧压入半无限体,建立了相应的工艺参数计算公式;经实验应用验证,计算简便,准确合理;为提高产品的产量和质量提供了理论依据。
In terms of Cauchy s integral formula of analytical complex function and the three order spline function of complex variable, a general boundary solution method is presented for solving the complex potential field of the flow field around a 2D semi infinite body.
采用复解析函数的Cauchy积分公式和物面复势三阶样条函数逼近,提出了一种求解二维半无限体势流绕流问题复势的通用方法。
The physical process of extended penetrator penetrating perpendicularly into semi-infinite target was described.
对伸出式侵彻体垂直侵彻半无限靶板的物理过程进行了描述,分析了侵彻过程中一些重要参量的变化规律,并对此过程进行了三维数值模拟,模拟结果与试验结果有较好的一致性;与具有相同质量相同外径的基准杆进行了比较,结果表明,在火炮速度范围内,伸出式侵彻体相对基准杆有较大的穿深增益,而且这种穿深增益随着撞击速度的增加而逐渐增加。
On the basis of experiments, the patterns of penetration of a long tube against a normal homogeneous semi-infinite target were described.
长管体侵彻靶板有明显的特殊现象 ,根据试验结果描述了长管体垂直侵彻半无限靶板的物理图像 ,建立了侵彻阶段的理论模型、进行了计算 ,并同长杆体进行了对比 ,计算与试验结果吻合较好。
Self-similar solutions for semi-infinite interface crack spreading problems in orthotropic medias;
正交异性体中半无限长界面裂纹扩展问题的自相似解