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A platform for research: civil engineering, architecture and urbanism
APPARATUS, METHOD AND PROGRAM FOR ESTIMATING BUCKLING STRESS INTENSITY
To provide an apparatus for estimating buckling stress intensity which estimates buckling stress intensity in consideration of coupled buckling generated by a web plate element and a flange plate element.SOLUTION: A buckling stress intensity estimation apparatus 50 for estimating buckling stress intensity of an H-steel having a web plate element spreading along an x-axis extending in a material axis direction and a y-axis extending in a plate width direction and first and second flange plate elements arranged to hold the web plate element in a direction along the y-axis, and buckling with compression force applied in a direction along the x-axis, includes: a displacement estimation unit 52 which estimates out-of-plane displacement Ww in the web plate element facing a direction along a z-axis using a mathematical formula, and estimates out-of-plane displacement Wf1 and Wf2 in the first and second flange plate elements facing a direction along the y-axis using mathematical formulae, respectively; and a stress intensity calculation unit 53 which determines buckling stress intensity of the H-steel based on the out-of-plane displacement Ww, the out-of-plane displacement Wf1 and Wf2, and energy approach.SELECTED DRAWING: Figure 2
【課題】ウェブ板要素とフランジ板要素との連成座屈を考慮して座屈応力度を推定する座屈応力度の推定装置を提供する。【解決手段】材軸方向に延びるｘ軸及び板幅方向に延びるｙ軸に沿ってそれぞれ広がるウェブ板要素と、ウェブ板要素をｙ軸に沿う方向に挟むように配置された第１フランジ板要素及び第２フランジ板要素と、を備え、ｘ軸に沿う方向に圧縮力が作用して座屈するＨ形鋼の座屈応力度を推定する座屈応力度の推定装置５０であって、ウェブ板要素におけるｚ軸に沿う方向に向けた面外変位Ｗｗを数式により推定し、かつ、第１フランジ板要素、第２フランジ板要素におけるｙ軸に沿う方向に向けた面外変位Ｗｆ１、Ｗｆ２を数式によりそれぞれ推定する変位推定部５２と、Ｈ形鋼の座屈応力度を、面外変位Ｗｗ、面外変位Ｗｆ１、Ｗｆ２、及びエネルギー法に基づいて求める応力度算出部５３と、を備える。【選択図】図２
APPARATUS, METHOD AND PROGRAM FOR ESTIMATING BUCKLING STRESS INTENSITY
To provide an apparatus for estimating buckling stress intensity which estimates buckling stress intensity in consideration of coupled buckling generated by a web plate element and a flange plate element.SOLUTION: A buckling stress intensity estimation apparatus 50 for estimating buckling stress intensity of an H-steel having a web plate element spreading along an x-axis extending in a material axis direction and a y-axis extending in a plate width direction and first and second flange plate elements arranged to hold the web plate element in a direction along the y-axis, and buckling with compression force applied in a direction along the x-axis, includes: a displacement estimation unit 52 which estimates out-of-plane displacement Ww in the web plate element facing a direction along a z-axis using a mathematical formula, and estimates out-of-plane displacement Wf1 and Wf2 in the first and second flange plate elements facing a direction along the y-axis using mathematical formulae, respectively; and a stress intensity calculation unit 53 which determines buckling stress intensity of the H-steel based on the out-of-plane displacement Ww, the out-of-plane displacement Wf1 and Wf2, and energy approach.SELECTED DRAWING: Figure 2
【課題】ウェブ板要素とフランジ板要素との連成座屈を考慮して座屈応力度を推定する座屈応力度の推定装置を提供する。【解決手段】材軸方向に延びるｘ軸及び板幅方向に延びるｙ軸に沿ってそれぞれ広がるウェブ板要素と、ウェブ板要素をｙ軸に沿う方向に挟むように配置された第１フランジ板要素及び第２フランジ板要素と、を備え、ｘ軸に沿う方向に圧縮力が作用して座屈するＨ形鋼の座屈応力度を推定する座屈応力度の推定装置５０であって、ウェブ板要素におけるｚ軸に沿う方向に向けた面外変位Ｗｗを数式により推定し、かつ、第１フランジ板要素、第２フランジ板要素におけるｙ軸に沿う方向に向けた面外変位Ｗｆ１、Ｗｆ２を数式によりそれぞれ推定する変位推定部５２と、Ｈ形鋼の座屈応力度を、面外変位Ｗｗ、面外変位Ｗｆ１、Ｗｆ２、及びエネルギー法に基づいて求める応力度算出部５３と、を備える。【選択図】図２
APPARATUS, METHOD AND PROGRAM FOR ESTIMATING BUCKLING STRESS INTENSITY
座屈応力度の推定装置、座屈応力度の推定方法、及び座屈応力度の推定プログラム
MITSUI KAZUYA (author) / KITAOKA SATOSHI (author) / KUWATA RYOHEI (author) / HIROSHIMA SATORU (author) / HANYA KOJI (author)
2021-01-21
Patent
Electronic Resource
Japanese
IPC:
G01N
Untersuchen oder Analysieren von Stoffen durch Bestimmen ihrer chemischen oder physikalischen Eigenschaften
,
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
/
E04B
Allgemeine Baukonstruktionen
,
GENERAL BUILDING CONSTRUCTIONS
/
G01M
TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES
,
Prüfen der statischen oder dynamischen Massenverteilung rotierender Teile von Maschinen oder Konstruktionen
APPARATUS, METHOD AND PROGRAM FOR ESTIMATING BUCKLING STRESS INTENSITY
| European Patent Office | 2021
APPARATUS, METHOD AND PROGRAM FOR ESTIMATING BUCKLING STRESS INTENSITY
| European Patent Office | 2021
APPARATUS, METHOD AND PROGRAM FOR ESTIMATING BUCKLING STRESS INTENSITY
| European Patent Office | 2021
APPARATUS, METHOD AND PROGRAM FOR ESTIMATING BUCKLING STRESS INTENSITY
| European Patent Office | 2021
APPARATUS, METHOD AND PROGRAM FOR ESTIMATING BUCKLING STRESS INTENSITY
| European Patent Office | 2021