Dear Friends,
The department of applied mechanics is organizing the 1st Indian Conference on Applied Mechanics (INCAM 2013) between July 4th to July 6th 2013. Faculty and students are encouraged to send papers for this conference and help
in disseminating the information to others interested in the themes of the conference.
The details of the conference is given in the web link below:
Hi! all
I have conducted several test of steel plate under cyclic load in order to get hysteretic cuve. some specimens showed a significant differences between tension and compression load. I read from texbook about this phenomena and it say because of bauschinger effect. Iam wondering why the diffrences to large and sometimes more than 50%. I am very appreciate if some one can explain about this problem.
regards
danile
Dear Colleagues,
During the last decades material modelling has become a field of central
scientific importance. Although there exist many workshops, meetings,
colloquia, etc. on specific materials, and particular applications, here a
single conference dedicated to material modelling with all its various
facets is intended. To this end, the aim of the ICMM conference is to bring
together researchers from the various fields of material modelling and
materials characterization. The intention here is to cover essentially all
p. 1426, last par., should read (revision in [brackets]): "Satin weaves are depicted on Figs. 1c, 3d and e, again with the fills horizontal and the warps vertical. A [satin] is generated by..."
See also http://dx.doi.org/10.1016/j.compstruct.2010.11.014
and http://dx.doi.org/10.1016/j.compstruct.2010.11.016
The longitudinal compression strength of unidirectional composites F1c, also called Xc, is very difficul to test for, so often you don't have the value for the particular material (fiber, matrix, volume fraction) that you wish to use. Further, just having data does not tell you what paramaters really influence its value--it is not the compressive strength of the fiber, I can assure you. So, there is a simple formula that you can use to predict its value and also to understand what are the parameters that really affect the compression strength of the composite.
The PDA model implemented in Abaus is an implementation of the idea of the cohesive zone model (CZM), which is quite popular for the analysis of delaminations, but PDA is for intralaminar damage. The problem my group faced when trying to use PDA was "where do we get the material parameters?" We asked around in blogs and such but could not find a definitive answer. So, we went to work and came up with a methodology that may serve you.
New textbook includes an explanation of the concepts involved in the detailed analysis of composites, a sound explanation of the mechanics needed to translate those concepts into a mathematical representation of the physical reality, and a detailed explanation of the solution of the resulting boundary value problems by using commercial Finite Element Analysis software such as Abaqus.
Using Abaqus, hanging some mass in Truss element (T3D2), facing numerical singularities and lack of convergence due to Truss elements have no initial stiffness to resist loading perpendicular to their axis. If a stress-free line of trusses is loaded perpendicular to its axis in Abaqus/Standard. Kindly suggest me how to overcome this.
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