Re: [allocations-admins] [LCRC alloc-com] Project Allocation Request for Meso_Nuclear - decision needed
This allocation has been granted for Q3. -- John Roberts Argonne National Laboratory CELS Systems [email protected] On 4/23/17, 1:23 PM, "[email protected] on behalf of Bair, Raymond A." <[email protected] on behalf of [email protected]> wrote: Thank you all for responding so quickly. We will implement Steve’s proposal: 160K for Q3 240K for Q4 Regards, Ray ----------------------------------------- Ray Bair Argonne National Laboratory and the University of Chicago On 4/21/17, 3:51 PM, "[email protected] on behalf of Min, Mi Sun" <[email protected] on behalf of [email protected]> wrote: I'm also fine with it -- Misun ________________________________________ From: [email protected] [[email protected]] on behalf of Babnigg, Gyorgy [[email protected]] Sent: Friday, April 21, 2017 3:00 PM To: [email protected] Subject: Re: [LCRC alloc-com] Project Allocation Request for Meso_Nuclear - decision needed It is OK with me -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Wagner, Albert F. Sent: Friday, April 21, 2017 2:52 PM To: [email protected] Subject: Re: [LCRC alloc-com] Project Allocation Request for Meso_Nuclear - decision needed This is OK with me. Al On 4/21/17, 2:47 PM, "[email protected] on behalf of North, Michael" <[email protected] on behalf of [email protected]> wrote: >This is fine with me too. > >Mike >________________________________________ >From: [email protected] >[[email protected]] on behalf of Toby, Brian H. >[[email protected]] >Sent: Friday, April 21, 2017 2:47 PM >Cc: [email protected] >Subject: Re: [LCRC alloc-com] Project Allocation Request for >Meso_Nuclear >- decision needed > >no objection to this: > >> On Apr 21, 2017, at 2:41 PM, Steven C. Pieper <[email protected]> wrote: >> >> He says the 400K is for Q3 and Q4. There are ~5 months in that so >>80K/month. >> So I would give him 160K - scaling factor for Q3. >> >> Steve >> >> Steven C. Pieper, Senior Physicist Emeritus: >>[email protected] >> Argonne National Laboratory, Physics Division, Bldg. 203, Argonne, IL >>60439 >> Phone: 630-252-4232 Fax -6008 Secretary, Debra Beres, >>-4100 >> http://www.phy.anl.gov/theory/staff/scp.html >> >> On 04/21/17 14:38, Bair, Raymond A. wrote: >>> Dear LCRC Allocations Committee, >>> >>> Linyun Liang is requesting 400K more core-hours in Q3 for project >>>Meso_Nuclear. He has used 125K to date in FY2017. The extra time >>>request is at the bottom, with additional info above it. >>> >>> Should we grant this request? Please respond by COB 4/25/17 (Tuesday). >>> >>> Regards, >>> >>> Ray >>> >>> >>> ----------------------------------------- >>> Ray Bair >>> Argonne National Laboratory >>> and the University of Chicago >>> >>> On 4/21/17, 10:26 AM, "Liang, Linyun" <[email protected]> wrote: >>> >>> Dear Ray, >>> Thank you very much for the information. >>> I am currently using a 2D finite element code (in Moose >>>framework) developed in INL. It is a parallel code. I am using this >>>code to simulate the microstructure evolution, i.e., grain growth >>>with the gas bubbles seeded on the grain boundaries. The multiple >>>grains and bubbles in the simulation require large computational >>>resources. For example, I run a single simulation using 4 note and 16 >>>cores will need around 20 hours. Around 200 runs are required to >>>simulate the effect of different grain size and grain shape, grain >>>boundary energy, gas bubble size and shape, porosity, the temperature >>>on the thermal conductivity of the materials. The total core-hours is >>>256000. And also I will need around 144,000 core-hours to debug and >>>test the algorithm and code. In conclusion, the total core-hours >>>requested for this project throughout the Q3 and Q4 will be 400,000 core-hours. >>> Please let me know if more information is needed. Thanks >>>again. >>> Best regards, >>> Linyun >>> ______________ >>> On 4/20/17, 1:15 PM, >>>"[email protected] on behalf of >>>[email protected]" <[email protected] on >>>behalf of [email protected]> wrote: >>> Hello, >>> A change in allocation has been requested: >>> Requester: linyun (Linyun Liang) >>> Project: Meso_Nuclear >>> Title: Gas bubble kinetics in an irradiated U-Mo using a >>>mesoscale simulation approach >>> Description: A mesoscale simulation approach is developed to >>>study the gas bubble evolution kinetics in irradiated U-Mo alloy fuels. >>>Density functional theory is first utilized to predict the defect >>>formation energies, the Xe-U-Mo interfacial energy, and the elastic >>>constants of U-Mo alloys, among other quantities. These obtained >>>material properties are then incorporated into a mesoscale model to >>>study the kinetics of gas bubbles in U-Mo under irradiation. By >>>developing a new free energy model of Xe gas bubble based on the van >>>der Walls equation of state, the gas bubble pressure can be estimated. >>>The effects of vacancy and self-interstitial atom (SIA) diffusion on >>>the gas bubble pressure will be further investigated and validated. >>>The events employed in the simulation are the absorption and emission >>>of a vacancy, a SIA, and an interstitial U by a single Xe bubble, >>>while an event associated with SIA loops or substitutional U is >>>neglected here for simplicity. We will s >> yst >>> emat >>> ically investigate the effect of Xe, vacancy, and SIA >>>concentration, fission defect generation and their recombination, >>>sink strength, grain boundaries, and elastic interaction on the >>>growth kinetics of gas bubble. The swelling of U-Mo due to fission >>>gas bubble will be simulated and compared to experimental >>>observations. Our study aims to provide insight into understanding of >>>the structural damage in irradiated U-Mo materials. >>> In our phase field model, we have four highly non-linear, >>>coupled partial differential equations which must be solved >>>numerically. In the meaning time, the elastic equilibrium equation is >>>also included in each time step, which requires to obtain the elastic >>>solution at the equilibrium state for each time step and can >>>significantly increase the cost of the simulation time. And also in >>>order to avoid the partial loss of interfacial energy, we will extend >>>our model to three dimensional system. Therefore, to effectively >>>solve this problem, we will need about 150,000 core hours including >>>the 6,000 core-hour to debug and test the algorithm and code and >>>144,000 core-hours (4 cores/node * 4 nodes * 10 hours of run time * >>>800 different runs) for the nucleation and growth of gas bubbles >>>calculations. We will use our developed FFTW code to solve the >>>problem. By using the Fusion and Blues computing resources will >>>greatly accelerated the code development and calculations. >>> In conclusion, the total core-hours requested for this project >>>throughout the FY2016 will be 150,000 core-hours. >>> Fig. 1 Simulated results of gas bubbles nucleation and >>>growth under the irradiated U-7Mo. >>> Current: undetermined amount >>> Justification: >>> Requested: 400000 >>> A specific reason has been given: >>> My current allocation hours have run out. I am requesting more >>>allocation hours for Q3 since I am running large simulations recently. >>> This needs to be approved and the final allocation amount >>>decided upon. >>> Thank You, >>> The LCRC Accounts System >>> _______________________________________________ >>> allocations-admins mailing list >>> [email protected] >>> https://lists.lcrc.anl.gov/mailman/listinfo/allocations-admins >>> >>> _______________________________________________ >>> alloc-com mailing list >>> [email protected] >>> https://lists.lcrc.anl.gov/mailman/listinfo/alloc-com >> >> >> _______________________________________________ >> alloc-com mailing list >> [email protected] >> https://lists.lcrc.anl.gov/mailman/listinfo/alloc-com > >_______________________________________________ >alloc-com mailing list >[email protected] >https://lists.lcrc.anl.gov/mailman/listinfo/alloc-com >_______________________________________________ >alloc-com mailing list >[email protected] >https://lists.lcrc.anl.gov/mailman/listinfo/alloc-com _______________________________________________ alloc-com mailing list [email protected] https://lists.lcrc.anl.gov/mailman/listinfo/alloc-com _______________________________________________ alloc-com mailing list [email protected] https://lists.lcrc.anl.gov/mailman/listinfo/alloc-com _______________________________________________ alloc-com mailing list [email protected] https://lists.lcrc.anl.gov/mailman/listinfo/alloc-com _______________________________________________ allocations-admins mailing list [email protected] https://lists.lcrc.anl.gov/mailman/listinfo/allocations-admins
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Roberts, John E.