Tags: DDSCAT

Questions & Answers (1-20 of 24)

  1. DDAconvert tool cannot convert multi-shape obj file from Blender

    Q&A|Closed | Responses: 1

    Hi. I seem to have problem converting a cluster of spheres into dipoles using the converter tool. The geometry consists of 70 spheres (same material) in a fractal aggregate configuration to...

    https://nanohub.org/answers/question/2156

  2. dimensions to the shape nanoddscat plus

    Q&A|Closed | Responses: 1

    I am trying to simulate plasmonic properties of bipyramidal shape gold particles of length 500 nm and width 200 nm
    can you please tell me After drawing a custom shape in blender, how can...

    https://nanohub.org/answers/question/2102

  3. Using own shape in DDSCAT

    Q&A|Closed | Responses: 1

    Hello, 

    I am trying to use my own cube shape file in DDSCAT by no matter how I format the file the program gives me an output of "No Valid Input Object File was Found."...

    https://nanohub.org/answers/question/1847

  4. How to make precise coating on shape?

    Q&A|Closed | Responses: 1

    Hello, 

    I am attempting to make a triangular prism with a 3 nm-thick layer surrounding the shape completely, but I am not sure how to accomplish this with the current Blender file...

    https://nanohub.org/answers/question/1835

  5. How do I get the precise size of my shape & coating?

    Q&A|Closed | Responses: 0

    Hello, 

    I am trying to create a triangular prism with a 3 nm coating by placing one triangular prism within another in Blender and converting this shape in nanoDDSCAT+. However,...

    https://nanohub.org/answers/question/1830

  6. could’nt compute E-Field

    Q&A|Closed | Responses: 2

    Dear AbderRehman,

    I couldnt obtain E-field since last software update. I tried to re-run an old simulation but this time extinction efficiency factor results are different (lower) from...

    https://nanohub.org/answers/question/1759

  7. is it possible to obtain data from aborted simulation session

    Q&A|Closed | Responses: 1

    Dear,

    i am interesting to know if it possible to obtain data (e.g. qtable) from aborted simulation session? I shall be thankful to you

    kind regards

    Shahid

    https://nanohub.org/answers/question/1735

  8. object periodicity

    Q&A|Closed | Responses: 1

    Dear admin,

    Object periodicity option is disabled. why?

    regards

    Shahid

    https://nanohub.org/answers/question/1724

  9. paramsters to excite Longitudinal Plasmon of a cylinders

    Q&A|Closed | Responses: 2

    Dear,

    I am using custom shape (cylinder) with diameter 7.5 nm and 25 nm length. i am interesting to excite longitudinal plasmons but unfortunately i am not success, i have changed the...

    https://nanohub.org/answers/question/1723

  10. how to excite transverse and longitudinal mode for a nanorod in a single simulation?

    Q&A|Closed | Responses: 1

    Dear,

    Two basic question

    1. how to excite transverse and longitudinal mode for a nanorod in a single simulation?

    2. what will happen if I will select the...

    https://nanohub.org/answers/question/1722

  11. some wavelengths are missing the spectrum

    Q&A|Closed | Responses: 1

    Dear,

    I used the option "Remote parallel DDSCAT with wavelength splitting" for 4000 minutes (2.7 days) over the weekend and got the results back after almost 1.5 days. i am...

    https://nanohub.org/answers/question/1721

  12. newer version of DDSCAT

    Q&A|Closed | Responses: 3

    Dear All,

    Does anybody notice these differences in newer version

    1. Number of dipoles

    in my previous simulation, a Blender cylindrical object with 3.5 diameter and...

    https://nanohub.org/answers/question/1720

  13. dimension of the object

    Q&A|Closed | Responses: 1

    Hi,

    I have been able to obtain exact dimension of the object by utilizing the scale in Blender. e.g. i draw a cylinder with length of 25 blender units and diameter 7.5 blender units....

    https://nanohub.org/answers/question/1710

  14. length of the object

    Q&A|Closed | Responses: 5

    Dear,

    I know you have provided detailed guidance regarding this in manual but somehow i am missing something. there are few questions regarding exact size of the object

    1....

    https://nanohub.org/answers/question/1706

  15. Problem in converting sphere using ddaconvert for large size and large number of dipoles.

    Q&A|Closed | Responses: 1

    I want to simulate a sphere of 300 micron for which I need large number of dipoles. But giving dipole+space number above 100 there is an exit error message. Not able to convert sphere for 300...

    https://nanohub.org/answers/question/1527

  16. Error while compiling DDACONVERT code.

    Q&A|Closed | Responses: 2

    I want to locally compile the DDACONVERT tool on my Linux Ubuntu system. After downloading the code I tried to rum the make command in SRC directory via terminal and the following error was...

    https://nanohub.org/answers/question/1501

  17. Clarify Mueller Matrix returned by DDSCAT

    Q&A|Open | Responses: 1

    I'm making Mueller Matrix measurements of silver nanocubes as part of my dissertation research at Air Force Institute of Technology. I'm trying to compare measurement to results attained...

    https://nanohub.org/answers/question/1460

  18. How to modify the code to run with only gfortran and without openmpi installed in the system?

    Q&A|Closed | Responses: 1

    Sir,

    I am a neophyte in linux and don't have iFort and openmpi installed in my Scientific Linux. If you could help me to run it without those it will be very helpful.

    https://nanohub.org/answers/question/1402

  19. How can I change the Intensity scale?

    Q&A|Closed | Responses: 3

    I would like to be able to see small changes in the intensity display. The electric field displays in just one color right now because there is very little variation in the intensity. I would...

    https://nanohub.org/answers/question/1382

  20. Can the simulation save data for future use?

    Q&A|Closed | Responses: 1

    After running various simulations I wondered if the program can save the data obtained which then can be retrieved at a different time. For example if I were to publish a paper using your...

    https://nanohub.org/answers/question/1378