The solutions of free and fixed boundary problems for a certain length are given.
并给出了在一定长度下，自由边界和固定边界问题的解。
The boundary conditions at simply supported boundary and fixed boundary of a slab.
板的简支边和固定边的边界条件。
The earthquake responses of the tunnel are overestimated when free and fixed boundary is used.
通过研究发现，采用固定边界和自由边界计算时，结构的地震响应被过高的估计了；
The results show that under shear stresses there are a group of boundary layer solutions near the interface or the fixed boundary.
结果表明，在剪应力作用下，在界面附近和固定边界附近存在一组边界效应解。
To this end, the authors adopted a variable boundary model to treat the tidal flat and found better results than those of the fixed boundary model.
为此，本文采用变动边界模型处理潮滩区域，并得到优于固定边界模型的计算结果。
The ordered structures forming in two-dimensional space for another class of the reaction-diffusion systems are studied under the fixed boundary condition.
对另一类反应扩散系统，在固定边界条件下，在二维空间所形成的有序结构进行了研究。
It is shown that the temperature wave can appear beyond spatiotemporal symmetry-breaking bifurcation at a certain constraint controlled externally and a fixed boundary condition for the model system.
研究结果表明，在一定参数值和固定边界条件下，反应体系经由时间-空间对称破缺分支能够产生温度波。
The reason we think the past is fixed once and for all is that there is a boundary condition at the beginning of time.
原因就是，我们认为过去是曾经确定的，未来全部由自己把握是因为在时间的开始有一个界定的条件。
A "condensation" technique is used in calculation and the problem of a moving boundary computation can be reduced to a fixed one.
在数值求解过程中介绍了用“冻结”技巧来处理动边界，使动边界计算问题简化成固定边界。
The boundary value problem usually describes the deformation of elastic beam with both fixed end-points.
该边值问题通常描述了具有固定两端点的弹性梁的形变。
This article gives two types of inner restrictions, including fixed nodes and fixed element boundary, detailed realization method and date structure.
综合考虑了两种类型的内部约束：固定结点和固定单元边，给出了详细的实现方法和数据结构。
The FEM model also involves treatments of boundary conditions, simplified treatment of some skeleton parts and deals with the fixed weight and loading that is put on the structure.
在有限元模型的建立过程中，不但考虑了边界条件的处理与简化，还考虑了骨架结构以及作用在其上的载荷的处理方法。
Because the position and the size of irises in images are not fixed, these reasons result in that the computing burden increases and the iris boundary localization is slow.
虹膜在图像中的位置和大小不固定，这使得虹膜边界定位计算量大，定位速度慢。
By using a fixed point theorem of mixed monotone operators in cone, this paper studied a fourth-order nonlinear singular boundary value problem, namely a class of elastic beam equation.
利用锥上的混合单调算子不动点定理，本文研究了一类四阶奇异非线性微分方程的边值问题，即一类弹性梁方程问题。
A fixed point theorem in cone is used to study the existence of normal solution of second-order periodic boundary value problems.
利用锥不动点定理研究了一类二阶非线性周期边值问题正解的存在性。
The shooting method, sub and super solution method, and fixed point theorem were used to study a class of nonlinear diffusion equations with nonlocal boundary value condition in perforated domains.
利用打靶法、上下解方法和不动点定理等工具，研究有孔区域上一类具非局部边值条件的非线性扩散方程。
The analytic solutions and numerical solutions of the equations of magnetic surface with fixed-boundary conditions are solved for the equilibrium plasma.
本文解出了具有固定边界的平衡等离子体磁面方程的解析解和数值解。
By using the fixed point theorem on cone, this paper studies the existence of positive solutions for first order periodic boundary value problem with impulses.
利用锥上的不动点定理讨论了一阶脉冲微分方程周期边值问题的正解的存在性。
In this paper, sine series and polynomial beam functions are derived. They can satisfy various boundary conditions of beams such as the simply supported ends, fixed ends and free end.
本文推导了正弦级数与多项式的梁函数，它可以满足梁的简支、固定、自由等各种边界条件。
By using the fixed point theory and a new three-solution theorems, the existence of multiple solutions of the boundary value problem was obtained.
通过利用不动点指数理论及一个新的三解定理，得到了边值问题多个正解的存在性。
The boundary conditions of the fixed end of the box girder are discussed and an illustrative example is hereby given.
文中评论了对箱梁固定端的边界条件。并附有实例。
Traditional open-pit mining boundary features fixed slope with benches and planar bottom.
传统的露天矿开采境界为固定帮有台阶、露天底平面型。
By this Method, the natural frequency of revolution with geomeric axisymmetric imperfections was computed for two kinds of boundary conditions: one is fixed, the other is elastically supported.
计算中考虑了两种边界条件：一种是固定支承的；一种是弹性支承的。
By using fixed point theory, in this paper we study the existence of triple positive solutions for a class of second-order differential equations with integral boundary conditions.
运用不动点定理，研究了一类带积分边界条件的二阶微分方程三个正解的存在性。
We show existence results for multiple sign-changing solution for third-order two- point boundary value problems by using the fixed point index and the topologic degree theory.
主要研究一类三阶两点边值问题变号解的存在性和多重性，利用不动点指数和拓扑度理论等得到了新的结论。
In this paper, by using the fixed point index method, the authors discussed the periodic boundary value problem of first order differential systems.
摘要利用锥上的不动点指数研究了一阶非线性常微分方程组的周期边值问题。
In this paper, by using the fixed point index method, the authors discussed the periodic boundary value problem of first order differential systems.
利用锥上的不动点指数研究了一阶非线性常微分方程组的周期边值问题。
This paper presents a new existence theory for positive solutions to a kind of second-order discrete periodic boundary value problems by employing a fixed point theorem in cones.
运用锥不动点定理，给出了二阶离散周期边值问题正解的新的存在性定理。
Through transformations, the time-dependent boundary conditions on the airfoil contour and the boundary conditions at infinity are brought fixed to the boundaries of a finite domain.
通过坐标变换使变化的物面边界条件及无穷远边界条件变为固定的有限范围内的边界条件。
It was found that the tabs fixed on C-D nozzles also enhanced the jet mixing distinctly, although the boundary layers of the jets from C-D nozzles were greater than that from the convergent nozzle.
结果表明，对于收扩喷管，虽然其速度边界层厚度明显大于收敛喷管，但加装小突片结构也能够明显的强化射流的混合。
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