whether GROMACS can do rmsd restrain of a protein it its starting conformation throughout the whole simulation?

Hi all. I have a query. It is about Whether GROMACS can do rmsd restraint of a protein throughout the whole simulation. I found Gromacs can do only position restraint. But my intention is the...

21 November 2020 481 4 View

What is the best Discrete Element Method (DEM) solver, that can be used to for granular packing of super-ellipsoid particles ?

I am interested in packing primary particles defined by super-ellipsoid equations under the influence of particle particle interaction involving friction, torque and reducing particle to particle...

27 October 2020 9,031 1 View

Is it possible to simulate only a particular higher order mode in CST Microwave Studio?

Consider the case of a WR-90 rectangular waveguide (a = 22.86 mm, b = 10.16 mm). If I want to see the fields etc. for say the TE02 mode in CST MWS is it possible to simulate it in particular?...

29 September 2020 8,572 11 View

Where can I find online available current data for Induction Motor or Synchronous Motor stator inter turn fault ?

I am working on the project of developing an algorithm for stator inter-turn failure diagnosis. For that, I am looking for online available data of the current signal from the faulty machine.

08 May 2020 4,667 1 View

Can anyone provide a solution to "severe error message 2070" in Gaussian during perovskite optimization?

Hi All, I have imported a .cif file into Gaussian09 and I am trying to optimize its structure. During the optimization there is an error message "severe error message 2070". When I check the files...

24 November 2019 970 4 View

Has anyone experienced missing nucleotide sequence even without any perturbation?

I have experienced a strange thing while my recent cloning. After I had sequenced my clone i noticed that a part of the nucleotide sequence got missing from the plasmid backbone. I have not done...

09 September 2019 4,914 2 View

Microstrip line Characteristic Impedance?

I have 2 questions related to Microstrip Line characteristic impedance: 1) What would be the relation of characteristic impedance of a given microstrip line with frequency? As effective...

09 April 2019 3,728 5 View

Can anyone please solve this question?

A single-phase load is fed through a 66-kV feeder whose impedance is 120+j 400 Q and a 66/6.6 kV transformer whose equivalent impedance (referred to LV) is 0.4 + 1.5 . The load is 250 kW at 0.8...

22 November 2018 8,346 2 View

What is the appropriate methodology to apply shockwave theory at weaving sections?

I want to apply the shockwave theory to the traffic behaviour at weaving section with an auxiliary lane. What is the appropriate methodology? Is it appropriate to apply the theory of moving...

25 March 2018 4,078 4 View

What could be the possible reasons for double drainage samples having larger instant deformation than single drainage samples?

26 November 2017 4,794 2 View

What is the damping coefficient of Well's/impulse turbine that may be introduced into a mechanical oscillation model to simulate the PTO damping?

In tank experiments, it is easy to simulate the PTO damping by the use of orifices, however in modeling full scale and real conditions the trurbine damping coefficient must be added to the water...

31 January 2021 7,325 1 View

Is there any suitable methods available to overcome efflorescence in earthen walls?

Many of us assuming that dampness cause efflorescence over the walls, Is that right? How to avoid these issues in a newly constructed walls? Comment your ideas

28 December 2020 3,883 2 View

What are the Rayleigh damping coefficients for concrete? Does it depend on grade of concrete?

I am modelling a piezoelectric material bonded on the host structure & correspondingly I have to plot electrical conductance vs frequency plot. I have been doing the work in Ansys apdl &...

04 September 2020 8,626 3 View

Any information about various initial and life cycle cost models of Tuned Mass Dampers (TMD)?

Hello everybody Despite a few TMD cost models available in the literature, I am searching for more accurate initial and lifetime cost models of translational TMDs for Life Cycle Cost Analysis...

14 August 2020 8,192 5 View

Does anyone have any information about linking Life Cycle Cost Analysis (LCCA) of structures and basic principles of Building Information Model (BIM)?

Hello everybody I would like to link two topics, LCCA and BIM, each of which deals with "structural and earthquake engineering" and "construction management" in civil engineering, respectively....

06 August 2020 2,812 8 View

How can I compare the graphs of without damping and with damping signal for TCSC in DIgSilent Power Factory?

I am trying to implement the TCSC with active power and inter area oscillation control damping in DIgSilent PowerFactory as mentioned in " PowerFactory Applications for Power System Analysis "...

26 July 2020 2,586 1 View

How to represent damping in a system with nonlinear stiffness?

We all know that damping can represent by Damping ratio and Natural frequency . We can represent the damping in terms of ( ''Linear stiffness - The first term in the nonlinear stiffness )...

25 May 2020 6,323 7 View

What is the relation between the damping ratio and viscocity in viscus damping ?

I have experimentally calculated the values of damping ratio of spring mass system by changing different liquids such as water and motor oil, now the question is, is there any direct relation...

26 January 2020 9,150 2 View

How do we apply bilinear hardening and damping coefficient value in abaqus?

The issue bilinear hardening model and nominal cohesion yield stress value is given. So how do we decide the value of cohesion yield stress and absolute plastic strain? Another issue is damping...

19 December 2019 593 3 View

Is it possible to find directional dependent loss factor (hysteric damping) for laminated structure?

Hi all, I am trying to model the stacked laminated core of an E-motor for modal analysis. In the model for modal analysis I want to include the damping in the structure. As the E-motor stator is a...

15 December 2019 5,583 1 View