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SW4 seems to only read first set of point sources from multi-segment SRF rupture #210
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Just to add something else I tried after this, if I take out the differentiation between the segment point source blocks and just put everything in one POINTS 3120 block, SW4 does read in all of the point sources and it gets the Mw up to 7.04. Seems like a reasonable workaround, but I'll leave this open in case there's anything I'm missing about a way to execute it with the multi-segment point source blocks! I'd also be curious to know why SW4 reduces the number of point sources from the input number each time - in this case, it reads npts=3120, but makes only 3012. |
Hi @sndybing, I have only used SRF files with a single plane, so there might be a bug with multi-plane data. |
Hi @houjun, sure! Here's the file. Let me know if this doesn't work! https://uoregon-my.sharepoint.com/:i:/g/personal/sdybing_uoregon_edu/EVE9fnr2Ny5GtIV6mAiA598BheLd5WDcvz5OrSBGgli15w?e=TepQ1I Thanks! |
Hi @sndybing. If I remember correctly, we only implemented the single block SRF case. If you need the more general case, feel free to generalize the code and submit a pull request. |
Hi @andersp, thank you for the info! For my current use just putting everything in one block seems to be the simplest solution. If I need more in the future I'll consider looking into doing this! |
Hello, how do I generate an srf file?,Do I need a related program? |
The SRF format description: SRF format |
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For my work, I used rupture models generated using MudPy: https://github.com/UO-Geophysics/MudPy. If you have a MudPy .rupt or .inv rupture model (made with either the forward or inverse modeling codes within MudPy), you can convert them to SRF. To convert .rupt files to SRF, there's a function in forward.py in MudPy called mudpy2srf. If you want to convert a .inv file, that function doesn't quite work right so I wrote my own - I can provide it if you would like. |
Thank you very much, I think your suggestion is very helpful to me, thank you for your help. I need your own code. Hahaha |
Hi, I only have the data of source, strike, dip, rake, and size of rupture surface. If I generate rupture srf file, what other data do I need? |
@Zzzzsxb ,Hello, may I ask what software your SRF file was created using? I'm looking forward to hearing from you!! |
I use matlab.
长孙旭博
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主题: Re: [geodynamics/sw4] SW4 seems to only read first set of point sources from multi-segment SRF rupture (Issue #210)
@Zzzzsxb ,Hello, may I ask what software your SRF file was created using? I'm looking forward to hearing from you!!
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我也是用的matlab,用得GitHub上开源的一个软件制作的震源
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主题: Re: [geodynamics/sw4] SW4 seems to only read first set of point sources from multi-segment SRF rupture (Issue #210)
I use matlab.
 
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主题: Re: [geodynamics/sw4] SW4 seems to only read first set of point sources from multi-segment SRF rupture (Issue #210)
@Zzzzsxb ,Hello, may I ask what software your SRF file was created using? I'm looking forward to hearing from you!!
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我的是srf生成器,可以看看你的程序吗,你的srf格式正确吗
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主题: Re: [geodynamics/sw4] SW4 seems to only read first set of point sources from multi-segment SRF rupture (Issue #210)
我也是用的matlab,用得GitHub上开源的一个软件制作的震源
 
 
------------------ 原始邮件 ------------------
发件人: "Xubo ***@***.***>;
发送时间: 2024年7月10日(星期三) 晚上7:54
收件人: ***@***.***>;
抄送: ***@***.***>; ***@***.***>;
主题: Re: [geodynamics/sw4] SW4 seems to only read first set of point sources from multi-segment SRF rupture (Issue #210)
I use matlab.
 
长孙旭博
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发送时间: 2024年7月4日(星期四) 下午4:03
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主题: Re: [geodynamics/sw4] SW4 seems to only read first set of point sources from multi-segment SRF rupture (Issue #210)
@Zzzzsxb ,Hello, may I ask what software your SRF file was created using? I'm looking forward to hearing from you!!
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经过调试后可以正常使用了,可以加一下我的qq468484524联系到我,PS不是骗子
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主题: Re: [geodynamics/sw4] SW4 seems to only read first set of point sources from multi-segment SRF rupture (Issue #210)
我的是srf生成器,可以看看你的程序吗,你的srf格式正确吗
长孙旭博
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主题: Re: [geodynamics/sw4] SW4 seems to only read first set of point sources from multi-segment SRF rupture (Issue #210)
我也是用的matlab,用得GitHub上开源的一个软件制作的震源
 
 
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发送时间: 2024年7月10日(星期三) 晚上7:54
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主题: Re: [geodynamics/sw4] SW4 seems to only read first set of point sources from multi-segment SRF rupture (Issue #210)
I use matlab.
 
长孙旭博
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主题: Re: [geodynamics/sw4] SW4 seems to only read first set of point sources from multi-segment SRF rupture (Issue #210)
@Zzzzsxb ,Hello, may I ask what software your SRF file was created using? I'm looking forward to hearing from you!!
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您好!我已经收到你发的邮件!
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Hi, could you let me know which software was used to create your SRF file? I’m looking forward to your response! @Zzzzsxb |
Hi, could you let me know which software was used to create your SRF file? I’m looking forward to your response! @cang-er-yes |
https://github.com/sgsong1017/SongRMG/ |
Thank you very much for your reply!! |
Hello! I'm working on simulating the M7.1 Ridgecrest earthquake using SW4. I've built an SRF version 2.0 file with four fault segments from a published inversion model of the earthquake (Goldberg et al., 2020). Following the SRF 2.0 format, I have the header for the four planes, which is then followed by four groups of point sources separated by the POINTS labels for the four segments. The four segments have 2130, 380, 270, and 340 point sources each, so the entire rupture model should have 3120 point sources.
When I run SW4 with my SRF file organized such that the largest fault segment (2130 point sources) has its points first in the order in the SRF, SW4 reads the file and says the following:
It seems that SW4 is only reading the first block of point sources corresponding to the first listed fault segment?
As another check, I changed the order of the segments in the SRF such that the 340 point source fault is listed first. In this case SW4 reads the file and similarly says the following:
The Mw that SW4 calculates based on my SRFs (6.9 and 6.4 for the above examples respectively) is also lower than I expect given that the SRF is based off of an inversion for the M7.1 Ridgecrest mainshock.
I'm wondering if this is a bug in the software or if I have an issue with my SRF file. I don't think I'm able to attach the SRF, but here's a screenshot of the beginning of the file where the largest fault segment is first, as well as one of the transition points to the next segment deeper into the file.
SW4 runs fine and outputs waveforms as expected - I'm just not sure it's using all of the point sources.
Thank you!
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