How to model winkler's spring in abaqus in order to carry out dynamic analysis ?

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How can i model the pre-stressing force in abaqus?

I have been trying to use predefined field option for the same but the results are not as it should have been. My abaqus model is a silo structure with a dynamic load applied at the center of its...

03 April 2018 6,923 8 View

What are the specific codes for seismic design of silos ?

all the codes that I could find, are usually talking about static loads, none of them is giving specifications about seismic loading. could you please suggest me how and where can I find the...

08 September 2017 9,898 3 View

What will be the impulsive force at any time t in impulsive force vs time curve?

suppose a body falls on a surface from a certain height. now due to sudden impact, an impulsive force will be generated which will vary with the time. so what will be that variation of impulsive...

04 May 2017 6,522 3 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

What techniques can I use to determine the miscibility of polymer blends?

The term miscibility refers to the single-phase state in thermodynamics. I do not mean the compatibility of different components. To determine the miscibility I know several techniques such as...

03 March 2021 4,107 4 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View

Mohannad H. Al-Sherrawi

Dear Ankul Kumar, I hope these links help you.

https://www.google.iq/url?sa=t&rct=j&q=&esrc=s&source=web&cd=3&cad=rja&uact=8&ved=0ahUKEwi99PeUzobWAhUHGhQKHb2BBuUQFggxMAI&url=https%3A%2F%2Fwww.researchgate.net%2Ffile.PostFileLoader.html%3Fid%3D58c8e73b217e20d0af32a3ac%26assetKey%3DAS%253A472069306621953%25401489561501886&usg=AFQjCNFMk0AkLu6TI_-pdYPiR-4lP84ntg

http://ideas-dare.com/papers/A-36.pdf

http://www.ejge.com/2016/Ppr2016.0176ma.pdf

http://www.aun.edu.eg/journal_files/82_J_6061.pdf

Haitham Al-Thairy

Linear spring can be easily modeled in *.Cae file using the assembly module-->Engineering features--> Springs or dashpots then you assign the linear spring values. The nonlinear spring can only be modeled using *.inp file of Abaqus.