simple beam

Three dimensional beam propagation method based on the series expansion method ( 3D SEM BPM) transform the BPM into the first order normal differential equations. The method has the merits of simple calculation and high calculation efficiency.

三维级数展开的光束传播法（3D SEM BPM）将BPM方程转化为一阶常微分方程组，具有计算方法简单和计算效率高的优点。

By using the knowledge about shear diagram, moment diagram and extreme value of quadratic function, this paper discusses on the calculating method of maximum shear and maximum moment of simple-supported beam under moving loads.

应用剪力图、弯矩图和代数二次函数极值的知识，对简支梁受移动载荷作用时最大剪力和最大弯矩的计算方法进行了论证。

The mechanical property test of the model covering 3 stages under 10 load conditions is carried out to study the loading property of through truss composite beam with simple support.

分3个阶段10种荷载工况进行模型的力学性能试验，研究简支下承式钢桁结合梁桥的受力性能。

Studies constitutive relations that RC simple beam cross-section abides by under different stress phases.

研究钢筋混凝土简支梁正截面在各个不同的受力阶段所遵循的本构关系.

Shows the deflection of a simple beam supported end , loaded from 1 or more points.

计算两端各受多点力的简易支撑梁的变形.

Model Test for Through Truss Composite Beam with Simple Support

简支下承式桁梁结合梁的模型试验

Today most simple beam bridges are strengthened by a truss, which is based on the triangle.

今天,大多数简支梁桥都用三角形的桁架加固.

Self-adapting Scanning Beam Algorithm for Filling Core of Simple Polygon

自适应扫描线的简单多边形核填充算法