far-field stress 中文意思是什麼
far-field stress
解釋
遠源應力-
The main results and academic contributions of the dissertation can be summarized as following : 1 ) for the difficulty to obtain the accurate analytical solution of the stress constraints around 3d cracks, detailed 3d fe analyses have been conducted to study the out - of - plane constraint factor tz around a straight through - thickness crack, a quarter - elliptical corner crack and a semi - elliptical crack embedded in an isotropic elastic plate subjected to uniform remote tension loading. the distributions of tz are minutely studied in the forward section of the cracks. strong 3d zones ( tz > 0 ) along the crack front were investigated despite the far field stress - free boundary conditions
全文主要研究內容和學術貢獻如下: 1 .針對一般三維裂紋端部場應力約束準確解析的困難，對均勻拉伸載荷作用下各向同性彈性板中穿透厚度中心直裂紋、半橢圓表面裂紋和1 / 4橢圓角裂紋進行了大量詳細的全場應力三維有限元分析，首次全面分析了非穿透裂紋端部場三維影響區范圍，給出了不同形狀三維裂紋前沿離面應力約束因子tz的數值解，並結合k場平面解給出了非穿透裂紋端部應力場k - tz雙參數描述。 -
The obtained results has been shown that the temperature field of sfrc pavement structure is non - linearly distributed along its thickness. the temperature which is close to the surface changes quickly, whereas slowly which is far. under the affect of temperature field, the temperture stress of sfrc pavement structure is also distributed non - linearly. the deflection and stress responses of sfrc pavement structure are waved declingly under the effect of shock load
計算結果表明：鋼纖維混凝土路面板結構的溫度場沿其厚度方向呈非線性分佈；在距路面表面較近的地方，溫度變化較快，而在距路面表面較遠的地方，溫度沿厚度方向的變化較為緩慢，整個圖形呈下凸形。鋼纖維混凝土路面板在上述溫度載荷的作用下，其溫度應力沿其厚度方向呈非線性分佈。 -
High - energy laser system involves an optical train consisting of reflectors and windows, in which temperature increment, stress and deformation may happen because of the absorption of some fraction of the incident laser beam - energy so that the beam quality and transmission of energy to far - field will be affected
高能激光系統中，由一系列反射鏡和窗口組成的「光學鏈」 ，不同程度地吸收部分激光能量，產生溫升、應力和變形，影響光束質量和光能量的遠場傳輸。
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