If strength increases does elongation also increase?

If I prepare a composite where the strength and elongation increases. Since the hardness increases with the increase in strength and increase in hardness led to increase in brittleness. As we see...

11 December 2014 394 8 View

Can I use brittle material theory (max principle stress theory) for selecting brittle material in FEM?

If I use von mises theory (VMT) and max principle stress theory (MPST) for the same geometry the maximum allowable stress obtained from VMT is two times of MPST. Hence if i select the brittle...

11 December 2014 9,830 6 View

How to give the external force in lagrangian dynamic equation formulation in multi body dynamics?

Since the external force depends on the generalized coordinates how to give the torque acting at different point in the system?

09 October 2014 5,363 7 View

Can I predict the Young's modulus and Flexural Modulus of the MWCNT nanocomposites using Halpin Tsai equation?

Can I predict the Young's modulus and Flexural Modulus of the MWCNT nanocomposites using Halpin Tsai equation? or using the single equation by only changing the Modulus value

09 October 2014 2,442 2 View

In Simulink matlab what are the two inputs to be given for atan2?

In Simulink matlab what are the two inputs to be given for finding atan2? My objective is to find taninverse of Y?

08 September 2014 5,044 2 View

Why does the percentage enhancement of tensile strength, young's modulus and elongation not match with each other in case of nanocomposites ?

Why the percentage enhancement of tensile strength, young's modulus and elongation doesn't match with each other in case of nanocomposites for a particular wt percentage?

07 August 2014 6,378 7 View

Why the nanoparticles are still in research and not used in different applications?

Why the nanoparticles are still in research and not used in different applications?

07 August 2014 8,985 0 View

What is the background idea, logic and understanding, while solving second order ODE using ode45 in Simulink-Matlab?

What is the background idea, logic and understanding happen while solving second order ODE using ode45 (Simulink-Matlab)?

07 August 2014 3,979 2 View

What is the physical meaning and advantage of giving clock with simout(workspace) in matlab simulink?

07 August 2014 6,527 3 View

What is the difference between arctan and arctan2 in matlab simulink?

See above

07 August 2014 5,947 5 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

Is there any rich, publicly available English literary corpus?

Hi everyone. I am looking for a rich corpus in English literature, a one which includes literary prose ( e.g., novels or short stories) . can anyone propose a good one? Best regards Fatemeh

01 March 2021 1,970 2 View

Joint behaviour in Abaqus is not captured well?

I am working on roof joint and trying to simulate the behaviour in Abaqus. I am successful in running the model but the final graph does not follow the experimental curve in the negative direction...

01 March 2021 6,661 3 View

Concrete compressive strength databases?

I am looking for datasets similar to this one: http://archive.ics.uci.edu/ml/datasets/Concrete+Compressive+Strength I am looking for concretes with different types of aggregates (Recycled,...

27 February 2021 6,801 3 View

Centrality measures computation in Biblioshiny/ Vosviewer?

26 February 2021 7,279 2 View

RNA-seq DEGs downstream analysis and reporting in literature?

I used EdgeR to get the list of DEGs (differentially expressed genes) from my liver RNA-seq experiment. I have done the gene overrepresentation and GSEA based pathway analysis. I am currently...

23 February 2021 8,969 1 View

How to formulate Energy minimization in Molecular dynamics simulation for alloys using meam potential?

during MD simulation, the atoms are not moving as per required. The problem (as per my observation) lies in energy minimization technique. upon application of tensile strain in x or y direction,...

22 February 2021 380 5 View

What are effects of steel jacketing on flexural strength?

Dear all, If steel jacketing is used to retrofit a reinforced-concrete (RC) column, can we use it to improve flexural strength? I understand that we leave gaps between the ends of the jacket and...

22 February 2021 1,906 5 View

Do you consider undergoing a structure literature review / Meta analysis and getting numerical findings sort of quantitative method?

I am looking for a classification of the research methods included in literature review papers or Meta analysis ones .

22 February 2021 1,131 4 View

How to model rupture in geogrid in abaqus?

Hi researchers I wanna model tensile test on geogrid in abaqus, so I added displacement to one side of geogrid and the other side of geogrid is constrained completely, everything seems normal but...

19 February 2021 2,195 2 View