How to get free from the error 'Undefined variable comp1.Ne'?

Dear Colleagues, I want to simulate a 3D MOSFET using semiconductor module. But, I am getting this error in the source domain: Undefined variable. - Variable: comp1.Ne - Geometry: geom1 -...

05 June 2018 6,200 0 View

How to correct the Semiconductor module error?

I have encountered with the following error when I coupled wave optics and semiconductor module together. Please help. Division by zero. - Function: / Failed to evaluate expression. -...

05 June 2018 2,175 0 View

How to calculate optical conductance from the optical dielectric constants?

I need to make a database for optical conductivity of materials from their respective frequency dependent optical permittivity. The unit of optical conductance should be in S/cm. I went up to many...

02 March 2018 6,413 0 View

How to knit the space between two concentric ellipsoid surfaces to make it a solid shell?

Dear Colleagues, I have designed a pair of concentric ellipsoids, which are needed to be connected with each other to form a solid shell in .STL format. Can I join them together? Please...

10 November 2017 4,136 7 View

How to calculate molar ionic conductivity from the effective electrophoretic mobility value for levodopa @pH=7?

03 April 2017 408 0 View

No title

I have obtained these data from Gaussian-09 package using keywords "freq polar" using B3LYP/6-31G++(d,p) exchange-correlation functionalExact polarizability: 190.335 2.070 169.585 11.327 -3.895...

02 March 2017 7,820 0 View

How can I find the structure given as gaussian archived entry file?

01 February 2017 9,464 4 View

What are the frontier journals for Plasmonics?

I am working with plasmonic nanomaterials. Please name the frontier journals where I may publish my research works. Thank you.

31 December 2016 2,936 1 View

What is the symmetry of a structure when Td and Oh point groups coincide/superimposed?

Since both the Td and Oh point groups belong to cubic symmetry, if we consider any structure in which the center of mass of both the structure coincide together, then what will be symmetry for the...

11 December 2016 5,011 4 View

Help to model aggregation kinetics of nanoparticles with molecular dynamics simulation

31 December 2015 2,274 2 View

Could you recommend any books about Number Theory?

Beginner level books. High level books. Analytical Number Theory. Algebraic Number Theory. Combinatorical Number Theory. Books about partitions. Books about primes.

03 March 2021 7,174 5 View

Does the pressure(-600 mmHg) affects pH?

When I conducted the degassing experiment using decompression under anaerobic condition(and I used ferrous based chelating agent), the oxidized ferric were observerd. So, could you tell me the...

03 March 2021 4,892 5 View

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 View

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View

Is there a deep reason for using the squared modulus of the wave function as the probability density of the existence of the particle?

I think we were all surprised at the first time we got to know quantum mechanics that the squared modulus of the wave function is the probability density of the existence of the particle? The role...

28 February 2021 6,282 9 View

What is Flat Lens Antenna?

28 February 2021 5,433 3 View

Can impedance of antenna be less than 50 ohms?

I am simulating helix antenna in hfss, right now, giving excitation with 50 ohms port. When I see the results of Z parameter (real). It shows lower than 50 ohms. Do not understand, if it can be...

27 February 2021 4,218 7 View

What are the application of Fixed points thoery in Chemistry.?

It is said that fixed point theory has lot of applications not in the field of mathematics only but also in various areas. So I am looking for applications in Chemistry only..

26 February 2021 3,533 1 View

Which database would give me this list of chemical components?

Dear colleagues: I would like to know if anyone knows of a database that gives me the parameters pH, K, K, Mg, P, C, N, Zn, Cu, Ni and Cd of common foods. I find a lot of information of proteins,...

26 February 2021 5,525 3 View

Why do the air flow results vary totally when adding scalar in CFD ?

Dear All, We are using Autodesk cfd to calculate the air flow in a single sided naturally ventilated room, where air flow depends only on buoyancy due to temperature difference between inside and...

25 February 2021 9,602 4 View