constitutive 中文意思是什麼

In this paper, using the program ( epagpll ), the bored testing pile group of the chinese architecture science and research institute at luokou area are analysised. the comparisons among analytical results of four constitutive models of soil are made, and the deformation of piles and soil, the soil resistance of the piles, the friction beneath cap, the aclinic displacement of the ground soil before piles and the failure pattern of pile group are discussed in detail

本文利用所編的程序，對上海地區豎向荷載作用下的單樁的流變效應進行了分析，並通過樁體位移?時間關系曲線，確定軟土地基上豎直受力樁的承載力，分析了豎直受力樁的最終沉降量的大小，並結合《上海地區地基基礎》地方規范就程序計算結果進行了對比。

The scielltific computational theories and methods on bird strike to the windshield of aircraft have been systematically studied and summed up in this thesis, such as fem comptltational principles and procedures to elastic dynamic problems under the conditions of small and non - linear finite deformation, 3d viscous elastic constitutive theory and incremelltal expression under the consideration of the rate effect of non - metallic materials like the aircraft windshield, and the numerical compatational principles and key constitutions for impact - contact dynamic subjects

2 、系統學習並歸納總結了鳥體撞擊風擋結構問題中的科學計算理論與計算方法。按照鳥撞問題數值計算方法逐步深入的思路，系統總結了小變形結構動力學有限元數值計算方法、有限變形的幾何非線性有限元數值計算方法、粘彈性體非線性形變的本構物理關系；對于實施復雜結構有限元動力學計算的載荷增量方法提出了對newmark差分的改進以及進行材料與幾何非線性數值計算的細致步驟。

( 2 ) based on indoor test, two typical soft rock of brecciated mudstone and siltstone in luohu jiancheng district is carried systemically though interior rheological testing ; moreover combining with preceding studying results of rock rheological constitutive model, rheological numerical constitutive model suited to rock mass mechanics characteristics and stratum structure of luohu fracture zone, and numerical parameters of the model are processed with studying of curve fitting

（ 2 ）立足於室內試驗，對羅湖建成區兩種典型的軟弱巖石?含角礫泥巖和粉砂巖進行系統的室內流變試驗研究，又結合前人對巖石流變本構模型的研究成果，分析並確定了適合羅湖破碎帶巖體力學特性及地層構造特徵的流變計算本構模型，並對該模型的計算參數進行了曲線擬合研究。

The main contents are as follows. ( 1 ) filter cloth and the surrounding soil mass are taken as an approximate isotropy in horizontal section, the relationship of stress and strain is studied, the anisotropy is fully considered, the constitutive model of filter cloth reinforcement fly - ash compound is obtained, it is tested with numerous indoor experiments. ( 2 ) the permeable coefficient is introduced into the constitutive relationship of soil mass with relevant seepage theory ( kozeny - carman experience formula ). the test of filter cloth depositing hi the condition of long term seepage flow is done hi the dissertation, the varying regular of permeable coefficient without pressure is presented

本文首先對國內外的研究現狀作了回顧和總結，然後主要針對土工織物加筋粉煤灰復合體的本構關系和計算理論進行研究，主要內容有： （ 1 ）將土工織物和周圍土體視為一種近似的彈性非線性橫觀各向同性體，研究它的應力應變關系，充分考慮它的各向異性，得到土工織物加筋粉煤灰復合體的本構模型，然後通過大量室內試驗進行分析驗證； （ 2 ）引入有關滲流理論，即柯茲尼-卡爾曼（ kozeny - carman ）經驗公式，將滲透系數引進到土體本構關系中。

The overall constitutive description for a pearlitic colony is derived from the combination of constitutive models respectively for ferrite and cementite phases and the geometric characteristics with a mixture theory

對典型珠光體雙相材料bs11在復雜加載史下的響應特性的進行了分析，得到了與實驗相吻合的結果。

A constitutive model and numerical simulation for coupled chemo - thermo - hydro - mechanical process in porous media

力學耦合過程本構模型和數值模擬

On constitutive subjectivity and conative subjectivity

論構成的主體性與意動的主體性

The constitutive institution may provide for these matters.

組織文件可對這些事項作出規定。

This means that constitutive equations must be framed in tensor language.

這意味著建立本構方程必須採用張量符號。

Perhaps constitutive equation has to be fortified by experimental evidence.

本構方程或許還得用試驗數據予以驗證。

The origin of such large amounts of constitutive heterochromatin and their role in karyotype evolution and speciation remain a mystery.

如此大量的結構異染色質的來源及其在染色體組型進化和物種形成中的任務仍是一個謎。

Constitutive relations with uncoupled subsystems

非耦合條件下的多子系統本構關系

A new damage softening constitutive model for rocks

一種新的巖石損傷軟化本構模型

A constitutive laws considering soil structural properties

考慮土結構性的本構關系

Study on constitutive modeling of vibration isolation rubber

動態力學響應特性研究

Constitutive model of chemical - mechanical damage in concrete

力學損傷本構模型

Part ii, the constitutive elements of bankruptcy

第二部分，破產犯罪的構成特徵。

This dissertation presents a hypoelastic constitutive model with four material constants in describing the mechanical behavior of granular materials under loading. analysis results of the model have good coincidence with those of triaxial experiment of the standard sand under different relative density. the model can describe the contractant and dilatant phenomena of granular materials

提出了一種含4個材料常數的亞彈性本構模型，來描述散粒體在加載時的力學行為，本模型的分析結果與不同相對密度下標準砂的三軸實驗可較好地吻合，能反映散粒體的剪縮、剪脹現象，還對如何用三軸實驗數據來確定這4個材料常數，給出了適宜的計算方法。

In recent years, the water - saving and control irrigation technique of rice has diverted from plot experimental and demonstration to lare scale. and has got remarkable economic and social benefits. amed at the characteristics of this irrigation area, optimal selection for water - saving techniques of rice, deciding the amout of leaching water and irrigation modles, investigating the adaptability of the water - saving and control irrigation technique in saline land. studying the increase in production mechanism of the technique are important to extend the technique, to better and develop saline land as well as slick spots. according to the results of field experiments, optimization study was conducted on the water - saving irrigation technique of rice in saline land, the effects of different water - saving irrigation techniques on the physiological indexes and yield of rice were systematically analyzed. by using mutiplepurpose fuzzy optimization method, better. water - saving irrigation technique was selector out, that is. the control irrigation technique in rice. the mechanism of it was analyzed from the aspect of the physiological and ecological saving water of rice to provide the implemental process and technical point ; throgh the quantitive analysis and comparision on control irrigation and control class ( flood irrigation ), high production and quality mechanism of the technique was analyzed in terms of physiology indexes of rice, the variation of soil moisture, the pest resistance and the lodge resistance, the change of soil temperature in paddy fields. the yield constitutive factors, the quality of rice and so on. in saline land. control irrigation and intermittent leaching modles were adopted to validate the adaptability of the technique in irrigation of rice in saline land, to analyze rice ' s physiological - ecological indexes and the change of soil salt content under the conditions of control irrigation leaching of rice and and to provide control irrigation and combined modle of intermittent leaching to adapt to different conditions

本文從試驗及試驗資料入手，取得以下主要成果和結論：對鹽堿地水稻節水灌溉技術進行優化研究，系統地分析了不同節水灌溉技術對水稻生理指標及產量的影響，採用了多目標模糊優化的方法，對灌水技術進行綜合評判，優選了節水灌溉技術，論證該地區宜採用水稻控制灌溉技術；闡述控灌技術通過調節和控制水稻的需水規律，降低水稻高產情況下的無效水量消耗，從水稻生理、生態節水兩方面分析了控灌技術節水機理，針對性地總結出水稻各生育期實施節水控灌技術的步驟及技術要點；通過控灌與淹灌的定量對照比較，從根系、莖蘗、冠層葉片及綠葉動態到株高，土壤水分變化，抗病蟲害、抗倒伏能力，稻田土溫變化，產量構成因素及稻米品質等諸多方面進行動態比較，分析控灌技術高產優質機理；在鹽堿稻地採用控制灌溉+間歇淋洗模式，跟蹤測試田間水鹽變化狀況，驗證控制灌溉技術在鹽堿地區水稻灌溉中應用的適應性，通過分析水稻控制灌溉淋洗條件下水稻生理生態指標，提出優化控制灌溉+間歇淋洗組合模式，為進一步在高礦化度地區試驗水稻控灌技術奠定基礎。

A rate - dependent damage evolution modified zwt nonlinear constitutive ralation is adopted, an object function of least square was established according to the experimental results. the searching space of each decision variable was foreordained with conventional optimizing method, and all parameters in zwt model for solidified pf resin were determined with generic algorithms

基於實驗曲線構建了最小二乘形式的目標函數，並採用傳統優化方法輔助設計了各個決策變量的搜索空間，進而用遺傳演算法確定了損傷型zwt非線性粘彈性本構關系中的材料參數。