1) envelope diagram of internal force
内力包络图
1.
The envelope diagram of internal force in equal span circular curved continuous beams;
等跨平弯圆弧形连续梁的内力包络图
2) Internal force envelope
内力包络
1.
The internal force envelope method in bridge design is applied to the remote monitoring of bridge health,and a kind of safety evaluation method based on internal force envelope theory is proposed.
通过安全评价模式、基于桥梁实时监测的抵抗内力图和实时内力图的获取、应用实践等几个方面的阐述,将桥梁设计中使用的内力包络验算方法应用于桥梁远程健康监测系统,提出了一种基于内力包络理论的安全评价方法。
3) envelope diagram of shear stress
剪应力包络图
4) enveloping curve of line of pressure
压力线包络图
1.
On this basis,an advantageous kind of eight-shaped prestressed concrete rigid-frame arch bridge is created under certain circumstance,and its control area of enveloping curve of line of pressure also applicable to all concrete structures is deduced to be-K s≤E≤K x.
在此基础上提出在适宜条件下具有综合优势的预应力混凝土八字形刚架拱桥,并推导了其压力线包络图控制区为-Ks≤E≤Kx。
5) injective envelope
内射包络
1.
The definition of injective envelopes of an extension of a Hilbert C * modules over a C * algebra is introduced, and is characterized in terms of the injectivity and essence.
研究C 代数上HilbertC 模扩张的内射性和内射包络 ,通过内射性和本性给出内射包络的特征描述 。
2.
In this paper, we study some properties of p-injective modules and their injective envelopes and discuss the injectivity of p-injective modules over commutative integral domains.
主要研究P -内射模及其内射包络的一些性质 ,并讨论了可换整环上P -内射模的内射
3.
It is proved that a ring R is VN-regular if and only if the Cotorsion envelope and injective envelope of any R-module M are isomorphism,if and only if E(M)/M is flat as a R-module,where E(M) is injective envelope of M.
R是VN-正则环当且仅当任意R-模M的Cotorsion包络与内射包络是同构的,也当且仅当E(M)/M作为R-模是平坦的,其中E(M)是M的内射包络。
6) Envelope diagram
包络图
1.
Taking the Xiangtan Xiangjiang 4th bridge as an example,the planar finite element models of cable-stayed arch bridge are erected,and the influence line and envelope diagram of main arch are got by ANSYS software.
首次用ANSYS得到了影响线和包络图,根据包络图确定了最不利活载的加载位置,按照弯矩影响线进行布载,对几个典型工况的受力情进行了分析。
2.
In this paper,the internal force envelope diagram of the continuous frame bridge was calculated by computer simulating.
利用计算机仿真的方法给出了连续刚构桥的内力包络图。
3.
The calculation of internal force s envelope diagram for a bridge under moving loads is a typical problem which can be solved by the computer simulation.
移动荷载作用下的内力包络图的计算是一个典型的可以用计算机仿真解决的问题。
补充资料:包络
包络
envelope
而充分条件是f任C,,并且满足(9)和下列条件: D ff.f.几、_Df云.几、 二二上二坦述二乙竺乙笋O,共月典二书笋砖0. D(x,y,z)一’D(A,B)对于曲面族r(u,。,A,B),其中r任C,和rux瓦护0,必要条件是 甲=(ru孔rA)=0,少=(气凡rB)=0,(10)而充分条件是r任口,并且满足(l0)和 }〕三三,三},。,、,。. !叭凡巧几心礼峪l n维流形中依赖于k个参数的一族m维子流形包络的更复杂概念可在可微映射奇异性理论的基础上引出,作为一族映射的奇异性的特殊形式.给出的平面曲线族,其中C是族的参数,“是沿族中曲线的参数,一点在包络上的必要条件是几11rc,或 ,一孚毕共~一。,(3) D(u,C)两者是同一回事. 充分条件是r‘CZ并且除满足(3)外还要满足 几共一rc叭笋0.(4)违反条件(2)和(4)往往与包络上出现尖点有关. 空间依赖于单参数C的曲面族的包络(山volopeofa fami】y ofsur阮璐)是这样的曲面,使得其上每个内蕴参数为(u,v)的点与族中参数为C(“,v)的曲面相接触,并且函数C(u,v)在(u,。)定义域的任何区域上不是常数.例如,中心在一直线上的同半径球面族的包络是一个柱面.对于由f(x,y,z,C)=0给出的曲面族,其中f“c’和沃廿诱l+匡}护0,包络的必要条件是满足方程组 了=0,fc=0;(5)而充分条件是fe口并且除(5)外再加上条件: fc。笋0,(6) }卫丝二玉立{+}卫艾2五立}+}卫丛选立},。. }L, Lx,y)}}L,沙,z)1】L,Lz,x)!对于曲面族r(u,v,C),其中r‘C’和‘x凡笋0,包络的必要条件是满足方程 职=(凡几几)=0;(7)而充分条件是r任CZ并且除(7)外还要满足下列条件: }叭叭毋。l }r二ru凡rurc}特o,}礼j+I叭i笋0.(8) l孔叽嵘几rc!违反条件(6)和(8)中的第一式往往与包络上出现尖棱有关.包络与族中每张曲面的接触线称为特征线(cl坦份以eristiC clu货).包络上的尖棱通常就是特征线的包络. 空间依赖于双参数A和B的一族曲面的包络是这样的曲面,使得其上每点(u,v)与族中参数为A(u,v)和B(u,岭的曲面相接触,并且在(u,v)定义域的任何区域上不存在函数。‘c’使A(“,好二。(B(。
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