How to calculate Mass Coefficient (Cm) directly from Star CCM+ ?

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How to resolve ArcSWAT error showing "exception from hresult: 0x80041018 in frmchoose0.cmd open 2 122"?

when i am going to upload land use data in ArcSWAT project, it show error like "exception from hresult: 0x80041018 in frmchoose0.cmd open 2 122". please guide how to resolve this error. screenshot...

12 March 2024 3,929 0 View

How to increase simulation box size?

We intend to study the interaction between peptides and polymer (like PP, PE and PS) through MD simulations using Martini force fields ( Martini 2 for PP and Martini 3 for PE, PS). We have...

08 August 2024 4,842 0 View

Every star like the sun is at a stationary position. Am I right?

The earth has a orbit, but not for the sun. Similarly, all planets have orbits, but not for stars like the sun.

18 July 2024 1,768 4 View

What is wrong about this model of Universe?

A universe model compatible with VSLT The research of Halton Arp and Eric Lerner supports a stationary universe, and the intrinsic nature of redshift, i.e. not linked to its presumed expansion...

14 July 2024 4,092 5 View

How to apply virtual site for a polymer?

Dear All, I have a PDB structure for a complex and large polymer. I need to perform MD simulations using the OPLS-AA force field. I obtained the force field parameters from LigParGen and created...

11 July 2024 5,109 0 View

Can I use different force field for protein and ligand?

Hello, Dear! Generally, I used CHARMM36 + cgenff force field for simulaiton. But,, due to certain parts of lignad, force field cannot be generated using Cgenff. Can I use different force field...

10 July 2024 9,513 3 View

I found trouble to run MD of my peptide with PTM in different force field. In Charm-GUI, it cant recognize the engineering residue. What can I do now?

I am working on my PTM project. I have some peptide. I got the result of doing MD of those peptide without PTM in different force field like Charm-GUI, Amber, Gromacs. Now I have to do MD of those...

05 July 2024 9,346 0 View

How validate the dynamic molecualr simulation with experimental data?

I used forcite module of Material Studio software to simulate the dissolution of zinc production waste in deep eutectic solvent. UFF force field has been used for the optimization of molecules,...

02 July 2024 7,494 1 View

I tried to do simulation using YASARA software for an optimized ligand after docking but an error is coming what should I do?

The error message is "Angle parameter for atoms42-45-15 (cf-nu-ns) not found in the force field. Initialization is not possible, check atoms for incorrect bonds, then update the force field's...

27 June 2024 3,446 3 View

What is the actual distance covered during sit-to-stand test?

Fellows, We are analysing data from force platform to calculate the power based on the acquired force. However, the current formula consider the distance covered by the individual as the "height"...

26 June 2024 2,049 1 View

If Purospher STAR RP-18 LiChroCART (HPLC column) is suitable for amino acids?

Hi Dear Researchers, Could anyone please provide me with some information about the HPLC column, specifically the “Purospher STAR RP-18 LiChroCART Cartridge”? I would like to know if it is...

25 June 2024 9,523 1 View