Elegant users forum

Hi Michael, thanks for the quick response! I'm trying to contact the authors but without success so far. About the s7 mentioned: For me looks like the s7 is the distance between the center of the last quadrupole and the center of the phantom. This way, to find the size of the drift spaces i had to s...

Thank you Michael for the explanation! It helped me understand some procedures and looks like this is correct. If possible i would like to share with you the paper which i am trying to repeat the results. Here is the DOI: https://doi.org/10.1038/s41598-021-93276-8. Analyzing methods section and look...

Hi Michael, sorry for the late! Yes! I am trying to adjust (through optimization) the positions and focusing strength of the 6 quadrupoles of my TransportOPT6quad, to focus the beam at the end of my beam line. As you can see, now i am only trying to optimize the focusing strength to understand the p...

Hi Michael! Thank you for the comments. I was thinking that run0.ele and run1.ele could be used to find the twiss_parameters alpha_x, alpha_y, beta_x, beta_y. Then, as the optimization part envolves only the files: "transport.ele" and "transportOPT6quad.lte", i copied and paste these values of alpha...

Sorry for the late. Yes. I used this sddsprocess command bellow. # Make a first run that simulates a measurement elegant run0.ele # Create columns with expressions for optimization terms sddsprocess run0.sig run0.terms \ -match=col,ElementName=M1 \ -print=col,xTerm,"%s#%ld.Sx %le / 1 1e-3 sene",Elem...

Thank you for the quick response! I used bunched_beam_moments, and looks like the beam is correct. But, the values obtained for focusing strenght optimization doesn't seem right. If possible, can you take a look if the steps that i made seen correct? In order to optimize my structure to focus the ga...

Thank you Michael. Sorry for the syntax mistake, i made some improves and now looks like this parameters are being generated in a right way. I have one question about the beam generation. I am trying to simulate a gaussian beam of electron with sigma_x and sigma_y equals to 4 mm through this transpo...

Hi, I managed to understand how the twiss parameters are used on a beam line. But i am having this problem: "no expansion for entity D6". Do you know if it is some problem of sctructure? I will attach the transport.lte file which has the structure of my beam line and the transport.ele file which i u...

Hi! Just to remember about the post! I was having some problem to post, i do not know if was the system, but now it is working i guess.

Thank you!

Hi, I am trying to optmize the focusing strength of six magnetic quadrupoles (or three fodo cell's), to focus a beam of electrons in a particular depth. About the transport line, i have used it on lattice.lte on run_setup command. I created this lattice file made of 6 quads with 7 drift spaces. And ...