Can someone explain how we obtain components of couple stress in spherical form from their tensor form?

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Can some one share how to find divergence of a tensor in curvilinear coordinates?

Actually, I am trying to find out Divergence of tensor in Spherical polar coordinates as we find in the case of vector. But found some terms missing.

09 October 2017 577 0 View

Kindly suggest, when an asymmetric body is embedded in a polar fluid saturated porous medium, then how to calculate drag force on axisymmetric body?

Fluid mechanics, Stokes flow

01 February 2016 1,319 4 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?

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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

16 June 2021 0 0 View

fatal error

16 June 2021 0 0 View

fatal error

16 June 2021 0 0 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

What is the characteristic length to determine the Reynolds number for the scattered turbulent fluid flow?

Dear all, I just saw this example in FB on the difference between laminar flow and turbulent flow. The flow from a pipe hits the sink and scattered. The flow from the pipe is characterized as...

02 March 2021 1,999 5 View

Can we distinguish the type of free fluid inside the pelvic and abdominal cavities whether blood or serous fluid using the ultrasound?

during ultrasound examination of acute abdomen, sometimes we see free fluid , can we know the type of fluid ,whether blood or not , using ultrasound only? if yes , what are the sonographic...

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Sunil Datta

Express the Stress tensor in physical components and then apply the sale factors h1=1, h2 =r, h3=rsin (theta)

Bharat Raj Jaiswal

what are sale factors.

Georgiy M. Sevastyanov

I suppose, were meant the SCALE factors (Lamé coefficients)

I have done this

See p143 of Aris Book: Vector, Tensors and Basic Equations of FD or any other book on Tensors