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IceBreakerSours, thanks for your input. If this is the case and you could refer myself to any White Paper or any other reference for this meta model explanation it will be much appreciated.

Hi All, ANSYS just issued new software, please see Link. (I am not reseller, I am not working for ANSYS). As one may see looking at the marketing video, the new idea in ANSYS is to be able to modify model geometry on run and see stress results plots change in the same time. I am wondering how...

Hi All! I would like to ask you, what is your favourite software and why, which you are using for creation of various shells and plates geometry in 3D space (which is next being exported to FEA software)? I am looking for your recommendation as well as few words about the feature available at...

I appreciate such an extended presentation point of view of yours. Generally speaking, nowadays ANSYS etc. has became "just" products which are completely differently recognized by their sellers and users. Not mentioning authors, owners and other top managements at each of the ladder's step...

Thanks IceBreakerSours, could you please let me know the reason why you would not have use Ansys for explicit jobs and what software would you use instead?

Certainly, the best will be to cite DNV non-linear code as this is not something I have invented, rather that is code clause which is based on experience and laboratory tests: The strain limit for gross yielding reflects that real structures will include elements of inhomogeneity that will not...

Thanks Jeff! Am I right to say that your EPS value of 1.5E-02 (as per example) was lower than maximum allowable strain? I thought EPS value was equal to maximum allowable strain, that is why I have asked what area size of the max utilized strain value is within the limits.

I have been through the similar survey for FEM quality assurance purposes... Below commentary is not a great advise you are looking for, but jest an input, hopefully helps. Please note, various codes may distinct some definition differences between peak value and singularity value although it...

JGard1985 , I will much appreciate your response on the question above.

Jeff, once more, thanks for helping me in two parallel threads, which are related to each other! Much appreciated. Figures you have attached are clearly describing the example. I have one question, lets please focus at plastic strain plot of yours. Let's assume 1.5e-02 is the max allowable...

Thanks Jeff. That is a great response! However, are you sure you have not missed inertia effects to be included in equation P=Kx which transient solver uses?

Hi All, My question is in regards to blast design in FEA, e.g. using ANSYS Explicit Module. I will create steel structural system consisting of shell/plate elements only, this means any girders will be simulated by few shells. Loading will be transient with peak value simulating the blast...

Hi All, My question is in relation to ASCE Design of Blast Resistant Buildings in Petrochemical Facilities document. Analysis of mine will be performed with Finite Elements in ANSYS Explicit Module, all structural system modelled by shell elements (e.g. girder will be simulated by few...

Hi All, ANSYS documentation gives a recommendation that for the events duration below 1sec (blasts, shocks, etc.), Explicit Analysis is recommended, while for longer times, Transient Structural Analysis is appropriate. May I ask you, why is it so, and how do you choose whether or not which of...

Hi All, Please give your best recommendation on materials (literature, presentations, online pdfs, etc.) to begin with Composite FEA, e.g. FRP design/damage and acceptance criteria, fibre reinforced thermoset composites. Preferably for marine industry, but other experiences are also welcomed...

That is what I think too. Literature and various codes are giving following acceptance criteria for nonlinear problem, it is peak strain allowable value of 5% for bilinear stress-strain material curve. Now one may ask if this 5% value should be found at one FE node value or averaged among some...

Hi gents! I would like to ask you about your engineering opinion on following FEA case. Given is thick plate (40mm thickness) with dimensions in plan of 500x500mm. It is modelled by solid finite elements with edge of 10mm each. At some small area of this plate, in effect of loading conditions...

Hi All, Today my questions consider linear dynamics. Please see them below. 1.Could you please tell me should one expect results from Frequency Response to be somehow corresponding with results from Transient Stress analysis? 2. If yes, please let me know the relationship. 3. What output/result...

Thanks for very comprehensive participation in the discussion. Your advises are much appreciated. I will close this matter for the moment as it is not critical and lesson learnt will be there is no point of using imperfection at eigenvalue analysis, e.g. see EN 1993-1-6. Thanks !

UKbridge, thanks for participation. Trying to address your questions: 1. It is a simple I-beam with longitudinal stiffener for benchmark purposes. 2. Plate elements used. 3. Translations at end edges of profile contours are fixed. 4. Linear steel. 5. LTB. 6. Uniformly distributed load acting at...