弱形式 meaning in English

weak form

Firstly , a weak formulation of this problem is derived . the existence , uniqueness and regularity of its solution are discussed . next , the mixed legendre - hermite polynomial approximation in non - isotropic sobolev space is proposed
首先，我们在第二章中讨论无穷带状区域上热传导方程的弱形式及其解的存在性，唯一性和正则性，这种弱形式适合于数值计算。
In order to get a finite element formulation to analyze singular heat flux fields , the weak form of basic equations and boundary conditions describing the 2d heat conduction eigenproblems is derived for the sectorial domains in the vicinity of the interfacial crack tip
摘要为得到用于分析奇异热流密度场的高效的有限元列式，针对不同材料中界面裂纹尖端的扇形区域，推导出二维热传导特征解问题的基本方程和边界条件的弱形式。