Residual stress: Post-results

Anyone having symptoms of stress even after finding out they passed? It’s like my body still hasn’t caught up to the reality that I passed this past Friday. Still hardly any sleep (waking up in the middle of the night multiple times, wide-awake thinking about the bar), heartburn (I swear I’m not eating anything funky/inflammatory) and I feel a traditional sinus infection coming on lol... any suggestions or tips?

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πŸ“…︎ Oct 05 2021
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Does anybody else still deal with frequent stress dreams, troubles grasping reality, and residual panic even years/months after having escaped your situation?

I have been living with my husband since November 2020, and I still find myself starting each day with an unsettling dream. Usually, it's nothing quite like what I dealt with at the start; rarely an actual nightmare, more just something generally stressful. While early on I'd have nightmares about being dragged back home/abandoned all over again; now I just dream of going back there for one reason or another, and having to face her after so much time. It's not much on its own, but it's every single day at this point- and I've been starting to feel like I'm losing grip on reality. Like, am I really out of the woods for good? Is this REALLY the home I'm gonna be lucky enough to stay with for the rest of my life? Or am I just imagining all of this, or awaiting the day in which I'm told- for one reason or another- that I've got to go back there again. It's completely irrational, and I know that- but I can't stop thinking about it. I want to crawl out of my own skin. I just want a chance to not think about it.

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πŸ‘€︎ u/MayorNash
πŸ“…︎ Jul 29 2021
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Does this effect the analysis of the wood in any way? Would it add residual stress to the cross section at the bends?
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πŸ‘€︎ u/ladabrewdle
πŸ“…︎ Jul 05 2021
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Is it possible for residual pollen from a hermie grow to pollinate again? My current females sre prego and I never saw sacs on them. I doubt these ones hermied from stress but its ky third grow i idk???
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πŸ‘€︎ u/GingerBreadStud
πŸ“…︎ Aug 22 2021
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Scaling Effects on the Residual Thermomechanical Stress During Ice-Free Cooling to Storage Temperature pubmed.ncbi.nlm.nih.gov/3…
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πŸ‘€︎ u/Synopticz
πŸ“…︎ Jul 05 2021
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Residual Stress Measurement

Hi,

I was wondering if anyone has measured residual stresses without the use of a milling guide with micrometer like the one Vishay sells (RS-200) these things cost a pretty penny and The ASTM standard doesn’t overtly call out the need for it. When I called Vishay they said undertaking this task without the right equipment and training is a non starter which is $10k + $20k

Can anyone shed some light on this?

Cheers!

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πŸ‘€︎ u/thirty2skadoo
πŸ“…︎ May 14 2021
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Residual/delayed stress & anxiety

Is anyone else still feeling like a stress pot after completing the semester? I finished my last assignment about three days ago now and I still wake up every morning sweating from a bad dream or with this lingering anxiety that I can’t pinpoint to anything in particular. I’m trying to sit through the feelings, but it feels like maybe since I was in such a rush to get my assignments done, I didn’t properly address the stress surrounding them. I want to relax and enjoy my break but I’m not finding any release and it feels like the stress is still sitting on my back. Maybe it’s because I instantly had some assignments for work pop up. I haven’t started them yet because I wanted to give myself some time off.

Anyways, hope everyone is doing well!

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πŸ‘€︎ u/champinube
πŸ“…︎ Dec 20 2020
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Do you guys get residual stress?

I have had a hard few months and I was busy all the time with school and work. So when I found out my freinds are going for a trip this weekend I signed up. I told myself that I’m going to be super chill and don’t even think about work and school.

In car, like 5 minutes before reaching home I got a canvas notification that assignment is created. I check it and see that I have a geology lab DUE TONIGHT. Instantly every good feeling that i had from the trip was gone.

I didn’t say goodbye to my friends, I didn’t say hello to my family, I didn’t change my cloths full of sand, I just sat behind computer and typed away since i only had less than 2 hours to complete it.

I knew we only have labs Monday but professor never publishes the lab until after lecture so I thought this might be one of those special labs that we have to do before class and somehow I forgot about it.

But this lab was so hard, it didn’t make sense. How can our professor expect us to finish this without even having a lecture about the topic? I decided to ask my classmates and they told me that after 10 minutes professor emailed us that it’s due tomorrow. I didn’t see the email because I was freaking out at the moment.

Anyway, I saved what little I did and got ready for bed. But I’m still stressed even though I shouldn’t be and can’t sleep. Did you guys ever have an experience like this where the stress of situation doesn’t go away even after everything is resolved?

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πŸ‘€︎ u/VenoNevo
πŸ“…︎ Oct 19 2020
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Hello. Y’all might remember me from my last post. The residual stress from work in the last year is building up and causing me to lose motivation there. Too many expectations and tired of dealing with the public. I don’t have any other feasible options right now. Toast me?
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πŸ‘€︎ u/Makemeahercules
πŸ“…︎ Dec 11 2019
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Trouble with residual stress being 'uneven' in terms of distance from the elastic core.

Hey guys this is my first post so if this isn't the place for this i'd greatly appreciate being pointed in the right direction.

So Residual loading is meant to be 'even' according to the theory side. you have a loading that goes past yield, then you unload which will create the black line as show both of these are symmetrical. And so you end up with one side of the beam being in tension, the other compression and then an elastic core.

But then why does the compression peak line up with the distance from the elastic core, yet the tension side doesn't.

These graphs are generated using Neutron diffraction data and so i would have thought that they'd be accurate.

https://preview.redd.it/int0cdbqtax11.png?width=938&format=png&auto=webp&s=78cec94f6c768b4243b45e94020f9ee672f98630

Edit*: i don't know how else to post this image, i can't seem to put it in comments so here is what the loading/unloading should look like for a moment if there is an elastic core

https://preview.redd.it/qpwy9yqrpdx11.png?width=633&format=png&auto=webp&s=1d7206955f18562e63d17cf9ed6a3be7522dbcd8

see that the edges of the loading are 'straight' because they have plastically deformed.

The test data still has that overall final shape, but the residual peaks have been moved up which would mean the elastic core is uneven. But that is super against the theory. like the centre of the beam will experience the lowest load due to a moment.

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πŸ“…︎ Nov 09 2018
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X-ray tomography: does the difference in residual stress in metal samples influence the grayscale intensity level of captured data?

Hi All,

I have 2 steel samples, both have compressive Residual Stress (RS), one has twice the amount of RS than the other.

Now I have done Synchrotron radiation XCT (12 um, 80 KeV) on both the samples and it seems that the sample with higher RS has higher grayscale intensity, and the sample with lower RS has low grayscale intensity.

Does the difference in residual stress causing the change in grayscale intensity level even though the chemical composition of both the sample are same?

Thank you.

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πŸ‘€︎ u/Pathfinder15
πŸ“…︎ Jun 14 2018
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Beautiful representation of elastic stiffness/compliance matrices by crystal system. From Viktor Hauk, 1997, "Structural and residual stress analysis by nondestructive methods"
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πŸ‘€︎ u/linrodann
πŸ“…︎ May 30 2019
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what is residual stress

can you give a real life example

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πŸ‘€︎ u/letsshow
πŸ“…︎ Dec 01 2017
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Cylindrical test specimens for tensile test. Is machining ok for residual stress ?

If the diameter is about 7mm would the residual stress from machining the test sample significant? If so would I have to try plasma? or annealing post machining?

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πŸ‘€︎ u/Caeser
πŸ“…︎ Dec 15 2016
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[Article]Mathematical Correction for Stress in Removed Layers in X-Ray Diffraction Residual Stress Analysis
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πŸ‘€︎ u/titian834
πŸ“…︎ Sep 04 2018
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LPT: Stress Management pt. 2-Dealing with Residual Stressors

Another wall of text incoming. TL;DR at the bottom.


DISCLAIMER: I concocted this thought process while studying Norse religion and culture. However, for this post, I will attempt to remove any religious aspects and keep it strictly stress-management related. If you practice heathenry or Asatru, please do not tear me apart over the stuff posted here. It is my interpretation and utilization of what I have learned while studying heathenry, that I use in daily life to manage stress. It is not meant to be an end-all description of heathenry. This subreddit is not for religious discussion, and this post is not meant to be a discussion of religion.


INTRO:

(You don't have to read this part to get the benefit of the training. This is just background info.)

I wrote this post about stress management that many of you seemed to enjoy. However, several of you asked me to elaborate on my briefly mentioned method for dealing with Residual Stress, aka Emotional Baggage. So I'm going to attempt to do so here. Residual Stressors are very difficult to deal with. They vary greatly in severity and amount. Some people have a LOT, and some people have barely any. Either way, they add to your pile of stressors, but are somewhat worse because they are almost impossible to truly remove. So this method I've developed, based off the "heathen worldview", (also mentioned by some redditors as being called "stoicism"), is something I've used for a few years now and it has almost completely solved my residual stress issues.


We've covered stress being physical blocks stacking up on your life. So now picture residual stress as being a pile of sand beneath the pile. Depending on how tall the pile of sand is, it will cause your stressors to start their stack higher or lower than the next person. It's basically like your baseline. You'll almost always be stressed that amount, even if all your other stressors were gone, because it's always just there at the bottom. In the training I underwent with the pilot, he didn't go very far into dealing with that type of stress because

... keep reading on reddit ➑

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πŸ‘€︎ u/S4MH41N
πŸ“…︎ Apr 05 2017
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Residual fracture? (had stress fracture)

I had a stress fracture in my right forefoot. Toe next to the big toe. I haven't been running since April 1st. Last week, I had a follow-up appointment with my ortho. We looked at my current x-ray and he showed me my previous one. He pointed out how the bone is thicker now and when I saw a line in the thicker part, I asked him about it. He said that's a residual fracture. He gave me the okay to start running again and mentioned starting off at a slower pace.

I have been trying to find information about residual fractures and no luck. Has anyone heard of this before and is it really okay to start running? I want to get back to running badly, but nervous about reinjury.

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πŸ‘€︎ u/Ancratyne
πŸ“…︎ Jul 02 2017
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Application of bulk deformation methods for microstructural and material property improvement and residual stress and distortion control in additively manufactured components sciencedirect.com/science…
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πŸ‘€︎ u/ubermeisters
πŸ“…︎ Nov 29 2017
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Researchers develop efficient method to measure residual stress in 3D printed parts llnl.gov/news/researchers…
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πŸ‘€︎ u/Vailhem
πŸ“…︎ Nov 17 2014
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[Request] A candidate test-piece to investigate creep crack growth in a residual stress field

Cotton, C. A candidate test-piece to investigate creep crack growth in a residual stress field. Diss. M. Sc. Thesis, University of Sheffield, UK, 1997.

Thanks guys

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πŸ‘€︎ u/dTdt
πŸ“…︎ May 20 2013
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Residual stress

Today is day 57 for me, and overall, in terms of my cessation of weed, I'm doing well. However, in terms of my overall mental health, I would give myself a B overall.

I began smoking in 2010 regularly. I had smoked my first time in 2008, but for those two years I never bought any, and only smoked socially when other people presented the opportunity to me. I didn't seek it, there was no desire. Once I really began smoking regularly during my sophomore year of college, I only picked up speed. I smoked through my last two years of college, got decent grades, had successful(and unsuccessful) relationships with some women, and broadened my group of friends. I then smoked for several more years post graduation, got several jobs and took time to relax so that I could decide what my next step would be.

During all this time, I don't think weed was too bad for me in most regards. My asthma was definitely one of the worst, though after nearly two months it's well controlled. There is one place where I think I truly fucked up, and that is the heart of this post.

I ignored the numerous small, but growing sources of stress in my life.

Life only gets harder as you grow older, for the most part. And during a very transformative portion of my life, ~20-25, I was numbing myself with weed. I grew up in a dysfunctional household with a physically, but more so emotionally and verbally abusive mother. I never resorted to drugs during that time, rather I adopted strategies such as rationalizing, focusing on positive things, and trying to drown out my negative world in video games. Sure, those are not flawless strategies, and I'll be the first to admit that, but they helped me get through it. So why is it then that I got sucked into weed after that when my life was exponentially less stressful?

Well, I think it comes back to the deceptive allure of weed, and the common misconception that it's hardly even a drug. Because while my life had certainly improved once I moved out of my Mom's house, many other stresses popped up. Bills, loss of childhood innocence, responsibility of a real job, of college, some truly fucked up relationships etc. And instead of taking these on one at a time like I did pre-weed, I sort of put them all on the back burner, some more than others.

So now here I am, almost two full months of not smoking, and feeling in some ways much better, but in some ways worse. I'm at an interesting crossroads where I am making progress, but still have days where

... keep reading on reddit ➑

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πŸ‘€︎ u/Rapn3rd
πŸ“…︎ Feb 02 2015
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Removing Residual Stresses in Compression molded Polypropylene dogbones
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πŸ‘€︎ u/lipring69
πŸ“…︎ Jun 23 2021
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Why do I get residual anxiety for a week after a stressful event? How do I get rid of it?

Hi, I am f/27 and I am generally a pretty happy and calm person. But I have noticed that every 2-3 months I will get a week long period of high stress/anxiety for no apparent reason. It usually happens after something very stressful. Anxiety on a rough boat and bad argument with my partner we’re the last two things where this was triggered. I usually get over it pretty quickly in my head (I don’t dwell and am pretty good at rationalising), but it’s more the physical symptoms that last for about a week. These symptoms include tight throat (annoying because I am a singer), poor concentration, always feeling edgy/upset easy, skittish, headaches, fatigue, loss of appetite. Keep in mind that I don’t FEEL worried it’s more just these things are lingering around for no reason anymore. It’s almost like the stress hormones don’t go away. The symptoms do go away after around a week. Has anyone else experienced this? Or am I just weird. And if so, how do you make the symptoms go away quicker?

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πŸ‘€︎ u/lilshowpony99
πŸ“…︎ Jul 10 2021
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Aren't compressive residual stresses beneficial for low fatigue life?

Compressive residual stresses with induced plastic deformation of a top metal surface is from literature, beneficial to the fatigue life a cyclically loaded specimen.

However, when I induce said plastic deformation and compressive stresses through a rolling process in a cross-hole present on a bar, and cyclically torque said bar, I am ending up with a worse fatigue outcome. I am confused as to why. I would appreciate any insight/reading material/suggestions into this.

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πŸ‘€︎ u/shanky94
πŸ“…︎ Mar 24 2021
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Predicting thermal distortions and residual stresses in a part using Ansys Additive

Hey everyone!

I'm new to Ansys additive and want to predict distortions and residual stresses for a simple part. I'm looking for tutorials and resources that could help me learn the various features of the Ansys additive suite. I checked online but couldn't find any, it would be great if someone can help me out with this.

Thank you!

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πŸ‘€︎ u/AakashK12
πŸ“…︎ Nov 17 2020
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I don’t quite get why people stress so much about washing their dreads. It’s hair. I use Dawn dish soap, head and shoulders and a few residue free shampoos. The only buildup I’ve had was from henna. And it was very little. Any insights?
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πŸ‘€︎ u/Mirimah
πŸ“…︎ Sep 17 2019
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