Impact machine. Should accelerometer and load cell give same impact force value?

I am designing a helmet impact machine. Does the accelerometer placed inside helmet and load cell placed under anvil give the same peak force value?

09 October 2019 8,365 4 View

Which material property plays a significant role in impact absorption?

The material should be stiff, tough or Young modulus should be more or which property should be significant for excellent energy absorption?

09 October 2019 2,054 4 View

Solid layered section is not allowed in current analysis (ANSYS error)?

I am striking a bullet on a kevlar plate 1 cm thick. I have linked a plate designed in acp with explicit dynamics I have turned on the Beta options. I am facing error "solid layered section is...

09 October 2018 8,498 0 View

ANSYS Compostie Cure Simulation Tool?

I wanted to ask is ACCS (Ansys Composite Cure Simulation) tool only for curing. What if we cool the composite? Will we use the ACCS tool for cooling? Actually I cooled the composite from 120 to...

07 August 2018 8,296 1 View

Which turbulence model is best to predict reattachment length of flow over a forward facing step?

I have few questions if any one can add to it: 1. I want to run a simulation with experiments done in free surface water tunnel. Which model you think can predict good reattachment length. 2. I am...

10 November 2015 8,575 35 View

Any advice on reattachment length forward facing step?

I am trying to measure the reattachment length in Adverse pressure gradient flows over a forward facing step. Which RANS model predicts reattachment length formed at the step consistent with...

09 October 2015 1,419 7 View

What is the difference in Finite difference method, Finite volume method and Finite element method?

What is the major difference in FVM, FDM and FEM? Please explain in detail and in simple words. Which method is used in softwares like fluent?

09 October 2015 3,002 21 View

What is the difference between first order upwind schemes and second order and higher schemes?

03 April 2015 9,087 16 View

How can I improve Mesh quality in T grid?

I generated mesh using T Grid. Now How can I improve quality using Tgrid like global smoothing of mesh like that in ICEM. I have tried auto node movement but not sure how to use that. Moreover I...

03 April 2015 7,256 1 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 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