In chapter 3 , 1 consider the nonlinear parabolic equation : where a bounded domain with smooth boundary in ; v is outward normal vector on is a positive function satisfying some compatibility conditions focus my attention on the case of m > 1 , to obtain the blow - up conditions of the positive solution using the method of subsolution and supersolution 运用紧致性原理及moser迭代得到了解的整体存在性和解的熄灭性质。第三章讨论了如下形式的非线性抛物方程:其中m , , 0 , r ~ + ,为r ~ n ( n 1 )中的有界域,具有适当光滑的边界( ? ) ; v是(
The out - of - plane stability of bending beam , which is made up with 2 beams and loaded by non - directional force , is studied . the bending and torsional deflection differential equation of each beam is established in critical condition . according to compatibility conditions of deformation , the characteristic equation is obtained to calculate out - of - plane stability of the cantilever bending beam 对两节梁组成的弯曲梁在非保向力作用下的平面外失稳问题进行了研究,通过建立每节梁临界状态下弯曲和扭转变形微分方程,根据杆件变形的边界条件以及杆件之间的变形协调关系,得出了一端固定一端悬臂的弯曲梁在非保向力作用下平面外失稳的特征方程。
A new method , which is based on the force equilibrium condition and the geometrical compatibility condition of cable , according to the constant unstressed length of cable , is presented in this paper to determinate the geometric of suspension bridge free cable . numerical examples with humen suspension bridge are given to demonstrate the effectiveness and the validity of the proposed method 根据索的力的平衡条件及变形相容条件,由缆索无应力长度不变的原则来建立缆索状态方程,提出了悬索桥主缆空缆状态线形分析的一种新方法.以虎门悬索桥为例对该方法的正确性和适用性进行验证,可供桥梁工程技术人员设计参考
Abstract : a new method , which is based on the force equilibrium condition and the geometrical compatibility condition of cable , according to the constant unstressed length of cable , is presented in this paper to determinate the geometric of suspension bridge free cable . numerical examples with humen suspension bridge are given to demonstrate the effectiveness and the validity of the proposed method 文摘:根据索的力的平衡条件及变形相容条件,由缆索无应力长度不变的原则来建立缆索状态方程,提出了悬索桥主缆空缆状态线形分析的一种新方法.以虎门悬索桥为例对该方法的正确性和适用性进行验证,可供桥梁工程技术人员设计参考
compatibility: n. 适合,适应;兼容(性);一致(性),协调(性)。 condition: n. 1.状态,状况,情形;品质。 2.〔pl.〕外界状 ...condition of compatibility: 适应条件; 相容条件deformation compatibility condition: 变形协调条件kinematical compatibility condition: 运动学相容性条件for compatibility: 为了兼容性be in condition: 身体很好be in no condition to: 身体状况不适宜condition: n. 1.状态,状况,情形;品质。 2.〔pl.〕外界状况,周围情形。 3.地位,身分。 4.条件;【语法】条件子句。 5.【纺织;印染】含潮量;(套毛)含脂含杂量。 6.健康状态;〔口语〕病痛。 7.〔美国〕补考及格才能随班附读的规定条件;补考学科。 the condition of affairs 事态。 a man of condition [humble condition] 有身分的[身分低的]人。 the conditions of peace 媾和条件。 be in a certain [an interesting] condition 在怀孕。 be in [out of] condition (人)健康[不健康],身体好[不好];(物)保存良好[不好];合用[不合用];耐[不耐]…,堪[不堪]…。 change one's condition 〔口语〕结婚。 in [under] favourable [difficult] conditions 在顺利[困难]景况[条件]下。 in good [bad, poor] condition 情况良好[不好];健康[不健康];(物件)无[有]破损;(食品)新鲜[不新鲜]。 make conditions 规定条件。 make it a condition that 以…为条件。 make no condition 毫无条件。 on condition (that) 在…的条件下。 on this condition 在这一条件下。 on no condition 在任何条件下都不…。 under existing conditions [the present condition ] 就现况说。 vt. 1.决定;规定,作为…的条件,限定;制约。 2.改善;增进(牛、马等的)健康;调节(室内空气)。 3.使适应,使习惯于(环境)。 4.〔美国〕(若要升级)必须补考…。 5.【心、生】使发生条件反射。 6.【商业】检验(生丝,棉纱等)。 to condition public opinion 煽动舆论。 She conditioned her leaving upon the weather. 她动身与否,视天气而定。 Diligence conditions success. 勤奋为成功的条件。 the things that condition happiness 决定幸福的事物。 be conditioned by 以…为转移[条件],受…所制约。 the conditioned 【哲学】受制约物;【逻辑学】(条件推论的)后项。 condition to: 习惯于in condition: 健康状况好, 保存得好; 身体好on condition: 接通条件on condition that: 如果,假使,在…条件下; 若…则;在…的条件下;只要…就; 世界上; 条件是; 条件下如果; 以…为条件; 在…情况下; 只要…就on condition that (=if): 以…为条件,假如; 以…为条件on condition that(=if): 以…为条件,假如on no condition: 绝不要; 一点也不,决不on the condition that: 在…条件下on this condition: 在此条件下on-condition: 电路板上调整; 接通条件access compatibility: 存取兼容性allohisto compatibility: 同种异体组织相容性application compatibility: 程序兼容性backward compatibility: 反向兼容性; 反向相容性; 回溯兼容性; 向后兼容binary compatibility: 二进制兼容性bitumen compatibility: 沥青相容性