A constant concern is the effect of foreign object impacts on composite structures because significant damage can occur and yet be undetectable by visual inspection. Such impacts can range from the most ordinary at low velocity - a tool dropped on a product - to the hypervelocity impact of ...
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The purpose of this study is to experimentally investigate selected parameters to improve impact damage tolerance in composite and hybrid composite structures and to provide a numerical treatment tool based on LSDYNA 3D for the reliable design of such structures. ...
Modelling soft body impact on composite structures The paper describes recent progress on materials modelling and numerical simulation of soft body impact damage in fibre reinforced composite structures. Th... A Johnson,M Holzapfel - Us National Congress of Theoretical & Applied Mechanics 被引量: 13...
This article surveys existing cohesive zone models (CZM) and their use in numerical simulations for analysis impacts on composite structures and predicting the damage induced. These models are used for matrix cracks and delamination. The first part of article gives the required background on failure...
Composite structures are subjected to foreign object impact during the various phases of their fabrication, during normal use, and during maintenance operations. Impact damage can affect the strength of the structure dramatically, and extensive research efforts have focused on understanding the effect of...
Impact on Composite Structures: Ballistic Impact Many natural and man-made materials exhibit structure on more than one length scale; in some materials, the structural elements themselves have structure. ... S Abrate 被引量: 972发表: 1998年 Impact on Composite Structures: Low-Velocity Impact Damag...
Numerical calculation and test of the composite materials under dynamic loading The dynamic properties of that coal cannot be studied easily in real site for the complex working condition. The compound coal blocks made on the basis ... FLL Liu - 《Steel & Composite Structures An International Jou...
There is no proven scaling law for reliably predicting the damage tolerance of brittle composite structures based on the results of laboratory coupon testi... P Robinson,GAO Davies - 《International Journal of Impact Engineering》 被引量: 163发表: 1992年 Effect of block copolymer nano-reinforcement...
参考文献 [1]关玉璞,陈伟,高德平.航空发动机叶片外物损伤研究现 状[J].航空学报,2007,28(4):851—857. OilTitanium [2]RobertS.Bertke,JohnP.Barber.Impactdamage fromsoft of leadingedges body Research Dayton soft [3]AlastairF.Johnson,MartinHolzapfel.Modelling body. oncomposite Structures, impact 2003,...