[FLASH-USERS] Laser-Slab - Newton-raphson error for high Laser intensity

[Ratul Sabui]

Thanks for your response. The following changes resolved my issue:

I added the two lines:
eos_tolerance = 1.000e-05
eos_maxNewton = 500

Regards,
Ratul


On Tue, May 2, 2023 at 12:34 PM Sang Yun Shin <shinsy85 at gmail.com> wrote:

> Hi, Ratul Sabui.
>
> I'm not an official engineer but in my case,
>
> Such errors are often caused when I set the fluid which has extremely low
> density (for example, near vacuum condition) so EOS table didn't cover such
> ranges.
>
> I solved such problem by set the fluid to increase the density or use
> other EOS table.
>
> I wish this answer help to you.
>
>
> Regards,
> Sang Yun Shin.
>
> 2023년 4월 13일 (목) 오후 3:21, Ratul Sabui <ratulsabui at gmail.com>님이 작성:
>
>> Hello everyone,
>>
>> I am running the laserslab example for modified target and intensity
>> conditions.
>> I am defining a gaussian pulse with a peak intensity of (10^14)W/cm2. The
>> moment I try to raise this intensity to (10^15)W/cm2, the code throws up a
>> newton-raphson error. Increasing the number of time divisions does not seem
>> to help much.
>> What is it that I am doing wrong?
>>
>> Ratul
>>
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