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摘要 在本篇文獻(xiàn)里,我們采用了一款當(dāng)前流行的有限元法分析軟件,MARC,去模仿材料承受等通道角擠壓的過程,并計(jì)算相應(yīng)的應(yīng)變條件。對(duì)于一個(gè)簡單ECAE過程來說,我們可以通過分析變形工件的橫向應(yīng)變分布來研究通道角,模具和受壓材料間的摩擦及彎曲焊縫通道對(duì)材料的影響。模擬加工包括材料的雙精度加工過程的模擬,該過程..
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As the world energy crisis, and the war and the energy consumption of oil -- and are full of energy, in one day, someday it will disappear without a trace. Oil is not in resources. So in oil consumption must be clean before finding a replacement. With the development of science and technology the..
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Types and function of substructure, or foundation, is that part of a structure which is usually placed below the surface of the ground and which transmits the load to the underlying soil or rock. All soils compress noticeably when loaded and cause the supported structure to settle. The two essent..
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This paper describes experimental studies on the seismic behavior and design of precast concrete buildings. A half-scale two-story precast concrete building incorporating a dual system and representing a parking structure in Mexico City was investigated. The structure was tested up to failure in ..
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Developing Countermeasures of Physical Educational Quality Controlling System of Higher Education Institutions Abstract-It conducts in-depth exploration and research on the implementation of the current situations and developing strategies for physical educational quality controlling system of hi..
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Java is a simple, object-oriented, distributed, interpreted, robust security, structure-neutral, portable, high performance, multithreaded dynamic language. The main advantage of Java language, Java applications across hardware platforms and operating systems for transplant - this is because the ..
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a general basis of understanding shoud be established before we begin a detailed treatment of high-rise building.thus the following discussion first traces the development of the sky-scrapper structure in its historical context;then typical structural building systems are introduced from the poin..
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By: Peters, William H.. Journal of Marketing Research (JMR), Aug70, Vol. 7 Issue 3, p360-363, 4p, 2 charts; (AN 5002921)PIn this study the mid-196O's new car market is analyzed by using a new, dummy variable, multivariate technique known as Multiple Classification Analysis (MCA).This approach hel..
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Abstract: Today, mankind has entered the era of rapid economic development of e-commerce-based network. A full range of rapid development and wide application of computer network technology on contemporary society, but also brought great changes to the enterprise marketing management. Network Mar..