How to do coordinate transformation of a 6x6 stiffness matrix of tilted transverse isotropic medium?

Tilted transverse isotropy (TTI) is sometimes treated as a rotated vertical transverse isotropy (VTI) rock (Figure 1). I have the 6x6 stiffness matrix of a rotated VTI as in the following Figure...

03 April 2020 1,404 18 View

How can we compute pore pressure from post-stack seismic section?

I have read most publications which suggest computing pore pressure from pre-stack seismic section, through AVO. Otherwise, if we have post-stack seismic section, how can pore pressure be...

19 January 2020 6,664 3 View

How can i publish my research papers?

I have done research on the topic prevalence of common mental disorders among patients admitted to medical and surgical ward of dilla university referral hospital, and I need your help to publish it

12 February 2019 5,305 3 View

How can I measure the trimerization conversion in the polyisocyanurate forming reaction?

The quality of polyiso foam depends on how far the trimerization reaction was converted during the foaming, but what is the best way to measure it?

08 October 2014 4,021 4 View

Does anyone know how to make PMI (Poly Methacryl Imide) foam?

Is it just similar like PolyUrethane foam? Just curious with this PMI foam, how to make it?

21 September 2014 9,286 5 View

Anybody know where to download the NOAA National Weather Service River Forecast System (NWSRFS)?

Anybody know where to download the NOAA National Weather Service River Forecast System (NWSRFS)? The following link seems dead and I couldn't find a way to contact NOAA personnel listed in that...

24 June 2014 2,840 3 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 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

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

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View