Eindhoven University of Technology, 2007)雖然Johnson、Holmquist等人對(duì)陶瓷的本構(gòu)模型開(kāi)展了大量的研究,將陶瓷材料的響應(yīng)分為完整和失效兩種狀態(tài),但實(shí)際加載時(shí)應(yīng)力狀態(tài)較為復(fù)雜,通過(guò)JH本構(gòu)模型反映其損傷失效過(guò)程仍較為粗糙。現(xiàn)有的JH本構(gòu)中,彈性未損傷段參數(shù)多為根據(jù)試驗(yàn)數(shù)據(jù)得出,但陶瓷損傷失效段參數(shù)則多為根據(jù)試驗(yàn)結(jié)果擬合得出。
Zhang, Applied Computational Optics Group, Institute of Applied Physics, Friedrich Schiller University Jena,Max-Wien-Platz 1, 07743 Jena, Germany, C. Hellmann and F.
圖8 低壓軸斷裂風(fēng)扇物理轉(zhuǎn)速變化 Fig.8 Physical speed of fan with low?pressure shaft fracture 圖9 低壓軸斷裂低壓渦輪物理轉(zhuǎn)速變化 Fig.9 Physical speed of low?pressure turbine with low?pressure shaft fracture
Engineering University, China Jiliang University and other universities at home and abroad for submitting their papers/participating in the conference and exchanging ideas.
Fabian Duerr1,±, Oliver Faehnle2 and Hugo Thienpont1 1 Brussels Photonics (B-PHOT), Department of Applied Physics and Photonics, Vrije Universiteit Brussel, Brussels, Belgium 2 OST-University of
Fabian Duerr1,±, Oliver Faehnle2 and Hugo Thienpont1 1 Brussels Photonics (B-PHOT), Department of Applied Physics and Photonics, Vrije Universiteit Brussel, Brussels, Belgium 2 OST-University of
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Physical Review A, 1992, 45(11): 8185-81892. Bazhenov V Y, Soskin M S, Vasnetsov M V. Screw dislocations in light wavefronts[J]. Journal of Modern Optics, 1992, 39(5): 985-9903.
Ph.D Thesis, Department of Civil and Resource Engineering, University of Western Australia, 227p.】。如上所述,這是一個(gè)連續(xù)性的斷裂傳播模型,然而一些研究表明,情況可能并不總是如此,有時(shí)可能會(huì)出現(xiàn)不連續(xù)的破壞斷面。