Bernoulli-Euler Beam Under Action of a Moving Thermal Source: Characteristics of the Dynamic Behavior

被引：6

作者：

Morozov, N. F. ^{[1
,3
]}

Indeitsev, D. A. ^{[1
,2
,3
]}

Lukin, A. V. ^{[2
]}

Popov, I. A. ^{[2
]}

Privalova, O. V. ^{[2
]}

Semenov, B. N. ^{[1
,3
]}

Shtukin, L. V. ^{[1
,2
]}

机构：

[1] Russian Acad Sci, Inst Problems Mech Engn, St Petersburg 199178, Russia

[2] Peter Great St Petersburg Polytech Univ, St Petersburg 195251, Russia

[3] St Petersburg State Univ, St Petersburg 199034, Russia

来源：

DOKLADY PHYSICS | 2019年 / 64卷 / 04期

基金：

俄罗斯科学基金会;

关键词：

D O I：

10.1134/S1028335819040050

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

The problem of a heating source acting on a certain part of a beam surface and moving along it with given speed is solved. It is shown that the most significant role in formation of the beam deflection under loading by a compression force is played by concentrated moments occurring at the moving boundary of the heating source. It is noted that for a source speed less than some critical value, the beam deflection is essentially nonmonotonic. In this case, the largest beam bending deflection occurs when the source speed reaches a value corresponding to the Euler critical force.

引用

页码：185 / 188

页数：4

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