mechanics-practical 中文意思是什麼

Fluid mechanics in practical engineering

實際工程中的流體力學

Practical design problems dictate that soil mechanics and engineering geology be closely related.

實際的設計問題說明力學和工程地質學有著密切聯系。

This paper, in the light of the special geological environment and actual project situation of the three gorges reservoir area, puts forward a comprehensive analysis and evaluation system suitable for the stability analysis of the bank landslide of the three gorges reservoir area under the premise of thorough consideration of the water influence on the stability of the bank landslide, and obtains the following achievements in several aspects that have the practical application significance and certain scientific research value : ( 1 ) it is discovered that the water activity is the primary factor of the formation of the new landslide and the revival of the ancient landslide. on the one hand, the rising underwater level reduces the actual stress of landslide ; on the other hand, the long time soaking of the underwater reduces the mechanics intensity of the landslide and the slide belt, both of which reduce directly the landslide stability ; ( 2 ) in view of the special condition of the three gorges reservoir area, this paper analyzes systematically the forces acted on the landslide of the three gorges reservoir area and the force varieties acted on the divided landslide when the water level changes between 175 meters and 145 meters. thus it is more scientific and comprehensive for the analysis of the forces acted on the landslide ; ( 3 ) this paper summaries systematically 10 kinds of typical computation projects by organic combinations of different kinds of situations in the dry season ( nature statue ), rainy season ( rainstorm or rains for a long time condition ), with 175m water level in the reservoir, during the earthquake, with the water level of the reservoir adjusted from 175m to 145m and so on, and produces

本文針對長江三峽庫區特殊的地質環境與工程實際情況，在充分考慮水對庫岸滑體穩定性影響的前提下，提出了一個適用於長江三峽庫岸滑坡體穩定性分析的綜合分析評價體系，並取得了如下幾個方面具有工程實際意義和一定科學研究價值的研究成果： （ 1 ）研究結果發現，水的活動是新滑坡形成或古滑坡復活的主要因素，一方面是由於地下水位升高降低了滑坡體的有效應力，另一方面是由於地下水的長期浸泡降低滑體及滑帶的力學強度，這兩方面的因素均將直接降低滑坡的穩定性； （ 2 ）針對三峽庫區的特殊條件，系統分析了作用於三峽庫區滑坡體上的力系和庫水位在175m與145m間變化時滑體條塊的受力變化，從而使對作用於滑坡體上的力系分析更科學、更全面； （ 3 ）通過對滑體處于旱季（天然狀態） 、雨季（暴雨或長期降雨狀態） 、 175m庫水位、地震以及庫水位由175m調節下降至145m等各種不同情況的有機組合，本文系統地歸納總結出了10種典型計算工況，並具體給出了相應的作用荷載的計算方法，使在庫區岸坡滑體穩定性分析評價時對計算工況選擇及其作用荷載的計算更具規范性； （ 4 ）具體運用c + + builder開發了關于滑坡體穩定性綜合分析評價系統，使對滑坡體穩定性分析計算更方便、更準確； （ 5 ）將上述滑坡體穩定性綜合分析評價系統應用於重慶市豐都縣名山滑坡穩定性分析的具體事例中，分析結果表明，本文所提出滑坡體穩定性綜合分析評價方法對三峽庫區的滑坡穩定性分析是實用可行的。

This paper analyzes the percolation mechanism and characteristics of gas under low - velocity percolation state in terms of slippage effect and threshold pressure effect by using molecular dynamics, thermodynamics and percolation mechanics in order to understand the practical reason of low - velocity non - darcy percolation

摘要為明確氣體在低速滲流狀態下的滲流規律以及產生低速非達西滲流的實質性原因，運用分子動力學、熱力學和滲流力學等相關知識，基於滑脫效應和閾壓效應兩方面分析了氣體在低速滲流狀態下的滲流機理及滲流特徵。

Based on selective learning of data mining and analysis of characteristics of data or information in rock mechanics and engineering, some data mining algorithm models are applied to analysis problems of rock engineering and the research is combined with practical engineering projects. relevance analysis to slope rock rheological test, rock mass quality assessment of dam foundation rock mass and displacement time series forecasting analysis to underground opening are performed by using data mining technique in this paper

本文在較全面的探討現有數據挖掘技術以及分析了巖體工程有關數據和信息特點基礎上，結合具體工程問題，基於數據挖掘技術進行了邊坡巖體流變試驗成果的相關性分析、壩基巖體的巖體質量評價分級研究和地下洞室監測位移序列時序預測分析。

In this paper, firstly, the recent condition and perspective, the types of structures, construction technology, the design method of the fast developing concrete - filled steel tube arch bridge are introduced, and the mechanics performance and uniform theory and the application in practical engineering of cfst

本文首先簡單介紹了現在發展迅猛的鋼管混凝土桁架拱橋的發展現狀和前景、結構形式、鋼管混凝土的力學性能和統一理論、施工技術和設計方法以及在工程實際中的應用，然後介紹作者的研究工作。

For concrete structure in the practical engineering, the non - mechanics damages, such as alkali - aggregate reaction, sulfate attack, carbonization, steel rust, freeze and thaw, and so on, are unavoidable due to the exist of erosive media. the deterioration form of mono or multi - factor influences on the concrete property of construction and durability greatly, and shortens the service life of the concrete to a large extent. permeability of concrete is the most important factor for these non - mechanics damages, so the permeability test of concrete is the normal and required item to study the durability of concrete

實際工程中的混凝土結構，因侵蝕性介質的存在而使非力學破壞行為無處不在，這些非力學破壞行為包括堿集料反應、硫酸鹽侵蝕、碳化、鋼筋銹蝕、凍融等，單一的破壞形式或多形式的復合破壞作用對混凝土結構性能及耐久性能均有著較為嚴重的影響，在很大程度上縮短了建築物的服役年限，而這些非力學破壞在很大程度上取決于其滲透性，所以測試混凝土滲透性能是研究判斷混凝土耐久性的常規必測項目。

The stress of radius position of the part is analyzed based material mechanics, moreover, a new method calculating the stress concentration factor is deduced, the calculating method is not only more concise and convenient than that of elastic mechanics, but also the calculating result is agreeable to practical results

文中通過對構件圓角處應力的分析，應用材料力學方法，推導出一種計算應力集中系數的方法，比彈性力學方法簡便，並與實際相符。

The great innovation of this thesis is the method of long - term incentive mechanics ; replace the " option system " by " stock interest incentives ", in order to solve the paradox of chinese capital market and regulation. the conclusion and practical forms of this thesis provided useful references for the researcher and manager of instructing the compensation incentive system

在對于企業經理人的長期激勵問題的研究上，有較大的創新，提出了以「股息期股」代替「股票期權」的激勵方案，從而有效解決了我國目前的資本市場和法律法規對于「長期激勵形式」的約束，可以為現階段企業管理者進行薪酬激勵機制設計時提供重要的參考和借鑒。

Under the promise of the practical applica tion an frugality, we determined the formula of sfpc and the stud y range. according to principle of damage mechanics, we deduced one axis tensile - compressive stress - strain relations and numeral fitt ing results with the finite element method. with experiment curve and stress - strain curve, we prove theorization method is practical

根據損傷力學原理建立了材料單軸抗拉一抗壓本構模型，並應用有限元軟體對其進行了數值擬合，通過實驗曲線、本構模型曲線之間的關系，證明了理論推導方法的可行性。

Based on the above purpose, in this paper, aiming at the questions in the past landslide prediction, such as sole research technique, backward method and theory achievement with weak practical, application and so on, time prediction and evaluation of landslides is emphatically researched from quantitative, qualitative and numerical modeling three aspects on the basis of widely consulting the domestic and foreign documentation and material related to landslides forecast. according to landslide monitor material, landslide quantitative prediction is realized by using landslide prediction and evaluation models ; on the basis of experts " experience knowledge, landslide qualitative prediction is realized by using the method and way of expert system ; landslide numerical prediction is realized by using simulation method to establish geology - mechanics - distortion model ( gmd )

基於上述目的，本論文針對過去滑坡預報的研究方法單一、手段落後，理論成果的實際應用性不強等問題，在廣泛查閱國內外有關滑坡預測預報文獻資料的基礎上，著重從定量、定性和數值模擬三個方面對滑坡的時間預測預報開展研究：依據滑坡的監測資料，運用滑坡預測預報模型實現了滑坡的定量預報；以專家的經驗知識為依據，運用專家系統的方法和手段實現了滑坡的定性預報；利用數值模擬手段，通過建立滑坡的地質?力學?變形模型（ gmd模型）實現了滑坡的數值預報。

The micromanipulator studied is an elastic body decoupled with mechanics and displacement. in order to validate the tightness and the practical controling effect, a simulation on the model established has been performed using fea software, and within a certan accuracy scope the decoupled effect can be drawn from the model

論文所研究的微動機器人是力和位移高度耦合的彈性體，為了驗證前面理論分析的正確性和實際控制效果，運用有限元軟體對所建模型進行了模擬分析，在一定的精度范圍內，可以看到模型具有良好的解耦效果。

Based on the summary of the famous strength criterions or strength envelope models in last century, smp ( matsuoka - nakai ) strength criterion which is wildly used in soil mechanics is briefly introduced and then brought into the practical calculations in geotechnical engineering in this paper, namely this famous three - dimensional strength criterion is used to modify the classic rankine soil pressure theory and the formulas of the critical edge load and the critical load

本文在綜述了上世紀一些著名的破壞準則和強度包線模型的基礎上，簡單介紹了在土力學中有廣泛應用的smp （松崗?中井）破壞準則，將這一著名的土體三維破壞準則應用於巖土工程實際計算（土壓力計算和地基承載力計算）中，即運用smp （松崗?中井）破壞準則修正了經典的朗肯土壓力計算公式和臨塑荷載、臨界荷載計算公式。

Based on the analysis of the advance treads in the field of mechanics and the practical requirement, a new planar cam design theory model was proposed. and then using the new model, the planar cam design and simulation system were developed. it provided a more general and simple method for cam designs, and could ensure the follower follow the special movement rule or the special track

針對機構學領域發展趨勢和當前實際需求，建立了新的平面凸輪設計理論模型，並在此基礎上研製了平面凸輪設計及運動模擬系統，為凸輪設計提供了更通用、簡便的方法，確保從動件實現特定運動規律或特定軌跡。

In practical engineering, reasonable solution of some important and key problems in common, such as the stability of the side slope in the explosion of water conservation construction ; using explosion to improve the productivity in oil production etc., require the thoroughly research on the dynamic mechanics of fluid - saturated porous media under impacting loading from the theories, numerical simulations and experiments

在實際的工程應用中，重大水利工程爆破施工時巖土邊坡的穩定性問題；採用爆破技術在油層中製造沖擊波以提高出油率時油層中的響應，以確定爆炸工藝對提高石油生產率的有效性等關鍵性技術問題的解決都要求對含有液體的多孔介質在動載荷作用下的力學行為進行深入的理論、數值和實驗研究。

Based on the tests of multi - ribbed composite wallboard, the characteristic of wallboard under different loading states have been analyzed in this paper, the corresponding mechanics computational models have been proposed, the multi - ribbed composite wallboards have been equivalent to uniform silicate wallboards, the practical calculated formulation on elastic - stiffness of multi - ribbed composite wallboard has been proposed, the calculation results accord ell with the tests results, so that the proposed formulation can be used in practice

摘要在密肋復合墻板試驗研究的基礎上，分析了密肋復合墻板在不同受力狀態下的受力特點，提出了相應的力學計算模型，並採用剛度等效原則將密肋復合墻板等效為均勻的硅酸鹽板，建立了密肋復合墻板彈性剛度的實用計算公式，計算結果與實測結果符合較好。

The author deems that it is a practical way to treat this problem as contact problem in solid mechanics. the main intension of this paper is to develop a finite element approach for axisymmetric contact problems and apply it to pile foundation

本文的主要目的就是將該類問題作為接觸問題進行處理，然後建立一種樁土相互作用的計算方法，並應用於樁基的工程實踐之中。