Then i consider a correlative problem : where m , > 0 , s is a bounded domain with smooth boundary in ; v is outward normal vector on ; f ( s ) is continuous function and satisfies some increasing conditions ; u0 ( x ) is a positive function satisfying some compatibility conditions , to obtain the blow - up conditions of the positive solution using the method of subsolution and supersolution , extend the result of song and zheng )上的单位外法向; u _ 0 ( x )是正的函数且满足一定的相容性条件:讨论m 1的情况时,在何种条件下使得问题的正解整体存在或是在有限时刻爆破。主要采用上下解的方法来得到结论。随后考虑相关问题:其中m , 0 ,为r ~ n ( n 1 )中的有界域,具有适当光滑的边界(
The study shows that rock stress sensitivity has the following characteristics : rock property has little sensitivity to stress , of which porosity has the least , permeability less , and compression coefficient most ; the rock property decreases with formation pressure decrease ; in the same formation pressure drop , decrease amplitude of the rock property is not a continuous function of permeability but related to distribution scope of permeability 研究得出,岩石的应力敏感性特征主要有:岩石物性对应力的敏感性总体上不大,其中以孔隙度最小,渗透率次之,压缩系数最大;岩石物性随地层压力的下降而下降;在同一地层压降下,岩石物性下降幅度不是渗透率的连续函数,而是与渗透率分布范围有关,高渗透率范围,岩石物性下降幅度小,低渗透率范围,岩石物性下降幅度大。
The wall was equaled to a beam - hinged frame . furthermore , the paper proposed a rigidity formula of continuous function based on damage theory . 4 ) on the basis of previous study on elastic stage , the paper put forward two orthotropic composite material models , twice reinforced model and bi - reinforced model , and also a simplified isotropic material model for engineering 4 )结合课题组前期的研究成果,就墙体在弹性阶段的复合材料问题,提出两种正交各向异性复合材料计算模型:二次单向纤维加强模型和双向纤维加强模型,并在此基础上,给出了适于工程计算的各向同性墙体简化材料模型。
In mathematics, a continuous function is a function for which, intuitively, "small" changes in the input result in "small" changes in the output. Otherwise, a function is said to be a "discontinuous function".