边条件
- 与 边条件 相关的网络例句 [注:此内容来源于网络,仅供参考]
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At last the mould was designed by the antitype of some kind of notepad. The study of the technology parameters such as drawing temperature , drawing speed , block holder pressure , lubricate condition showed that when the mould clearance was 1.6mm, drawing temperature was 220~280℃, the block holder clearance was 1.16, the block holder pressure was 2 ton we can formed a qualified notepad shell of the fillet radius of 2.4mm.
最后,以某型号笔记本电脑外壳为原型,自行设计、加工了笔记本电脑外壳热拉深模具,对其拉深温度、拉深速度、压边力、润滑条件等拉深工艺参数研究表明,当模具间隙为1.6mm,拉深温度为220~280℃,压边间隙为1.16,采用石墨+机油润滑时,可获得最小圆角半径为2.4mm的笔记本电脑外壳拉深件,所得拉深件贴模性良好、回弹小,达到了设计要求。
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By using function theoretic methods,the existence anduniqueness of the above problem are proved,which is generalization and devel-opment of related results.
先将其转化为一阶非线性椭圆型复方程的混合边值问题,然后使用Newton嵌入法得到了这一混合边值问题的近似解,并且在一定条件下给出了近似解的误差估计。
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By Galerkin meshless method, the equations of motion of static rectangular membrane is established. The first ten natural frequencies of the different aspect ratios and the different pull ratios of rectangular membrane with four clamped edges, three clamped edges and one free edge, two opposite free edges and other two clamped edges were calculated. It is feasible and valid to solve the transverse vibration problem of membrane by Galerkin meshless method.
采用伽辽金无网格法,建立了矩形薄膜横向自由振动的运动方程,并对四边固支、三边固支一边自由、一对边固支另一对边自由三种边界条件下,薄膜的不同长宽比及不同单位长度拉力比作用下的矩形薄膜的前十阶固有频率进行了数值计算,结果说明伽辽金无网格法用于求解薄膜横向振动问题是切实可行的。
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Through to the mining area west the side slope engineering geology condition research, obtains slope the structure characteristic and the crag body structure characteristic, as well as gneiss and structure surface physics mechanical properties.
2通过对矿区西侧边坡的工程地质条件的研究,得出边坡的结构特征和岩体结构特征,以及岩土体和结构面的物理力学性质。
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As applications of our results,in section 3.3,we investigate the existence of periodic solutions and golbal exponential stability of some classes of impulsive cellular neural networks with time delays.
第四章首先使用Krasnoselskill锥不动点定理研究了一类一阶奇异脉冲泛函微分方程的周期边值问题,得到了这类奇异边值问题正解存在性的充分条件,我们的结果允许右端函数f中关于u是奇异的。
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Motivated by this, we consider the global behavior of positive solutions of three-point boundary-value problems for second-order differential equations, under two different kinds of boundary-value problems, using fixed point theorem, fixed point index theorem and cone theory.
本文受到文献[7]的启发,运用不动点定理、不动点指数定理以及锥理论,分别研究了两种不同边值条件下二阶微分方程三点边值问题正解的整体性。
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Analysis indicates that the mechanism of intermittent gas injection production mode to increase output is mainly binging domino of competition adsorption,while that of injection and production mode is mainly displacement .
描述了注气开采煤层气生产过程,分析表明间歇注气生产模式的增产机理主要是竞争吸附置换,而边注边采生产模式主要是驱替;反映基质孔隙扩散能力的综合传质系数不仅影响煤层气井的生产能力,而且影响矿井煤与瓦斯的突出;建立了单井间隙式注气开采煤层气的扩散渗流数学微分方程组;注气过程和采气过程渗流方程式形式相同,但质量源的流向不同,生产井内的边界条件不同。
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Research on influence factors of capillary force in immiscible displacement ;2. Analysis indicates that the mechanism of intermittent gas injection production mode to increase output is mainly binging domino of competition adsorption,while that of injection and production mode is mainly displacement .
描述了注气开采煤层气生产过程,分析表明间歇注气生产模式的增产机理主要是竞争吸附置换,而边注边采生产模式主要是驱替;反映基质孔隙扩散能力的综合传质系数不仅影响煤层气井的生产能力,而且影响矿井煤与瓦斯的突出;建立了单井间隙式注气开采煤层气的扩散渗流数学微分方程组;注气过程和采气过程渗流方程式形式相同,但质量源的流向不同,生产井内的边界条件不同。
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Appraising the current methods of slope stability, the paper puts forward Finite Element Plastic Limit Analysis of the slope stability subjected to pore water pressure.
本论文对目前用于边坡稳定性评价的主要方法进行了研究对比后,提出了考虑孔隙水压力条件下的边坡有限元塑性极限分析法。
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The existence of global weak solution for a class of generalized Ginzburg-Landau equations with an inhomogeneous boundary condition was studied. Some integral indentities of smooth solution of inhomogeneous initial boundary value problem of Ginzburg-Landau equations were deduced, by which a priori estimates of the square norm on boundary of normal derivative and the square norm of partial derivatives were obtained.
研究具非线性边界条件的一类广义Ginzburg_Landau方程解的整体存在性·推导了Ginzburg_Landau方程的非齐次初边值问题光滑解的几个积分恒等式,由此得到了解的法向导数在边界上的平方模以及解的平方模和导数的平方模估计;通过逼近技巧、先验估计和取极限方法证明了Ginzburg_Landau方程的非齐次初边值问题整体弱解的存在性
- 推荐网络例句
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Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".
歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车,和一双合并为一移交&整个lotta爱&。
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This is Kate, and that's Erin.
这是凯特,那个是爱朗。
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Articulate the aims, objectives and key aspects of a strategic business plan.
明确的宗旨,目标和重点战略业务计划。