招聘簡介：

　　桑迪亞國家實驗室

　　地點：加利福尼亞州利弗莫爾

　　工作描述

　　這個博士后職位是一個臨時職位，最長一年，桑迪亞可自行決定續(xù)聘五年。博士學位必須在就業(yè)前五年內授予。博士后職位的個人可以作為內部候選人競標桑迪亞的常規(guī)職位，在某些情況下，如果有持續(xù)的運營需求、持續(xù)的資金可用性和令人滿意的工作表現的保證，可以在任期內轉換為常規(guī)的職業(yè)職位。：**您是否對自己的工作充滿熱情，并夢想利用最先進的設施探索解決方案？你想加入一個充滿活力的團隊，幫助解決我們國家安全面臨的一些最具挑戰(zhàn)性的問題嗎？**我們尋求聘請一名博士后研究員，對與汽油和天然氣直噴發(fā)動機相關的湍流反應流進行混合直接數值模擬和大渦模擬，以開發(fā)用于點火的預測湍流化學相互作用模型。燃燒、火焰?zhèn)鞑�、爆震和墻壁附近的煙灰膜。研究的成功應導致在主要科學期刊上發(fā)表影響深遠的出版物，并在國際科學研究界得到廣泛的認可，同時也應為T的長期能源、環(huán)境和高性能計算任務目標做出相關貢獻。美國能源部。在任何給定的一天，你會：+建立和執(zhí)行DNS模擬耦合復雜的化學燃料噴射，煙灰形成，和熱輻射在非平凡幾何上的ExasCale計算平臺使用現有的自適應網格細化代碼。+在Sandia和外部合作者以及Sandia的實驗工程師研究人員中，作為模擬和建模團隊的一部分工作。

　　英文原文：

　　Sandia National Laboratories

　　Location: Livermore, CA

　　Job Description

　　This postdoctoral position is a temporary position for up to one year, which may be renewed at Sandia's discretion up to five additional years. The PhD must have been conferred within five years prior to employment. Individuals in postdoctoral positions may bid on regular Sandia positions as internal candidates, and in some cases may be converted to regular career positions during their term if warranted by ongoing operational needs, continuing availability of funds, and satisfactory job performance. : **Are you passionate about your work and dream of utilizing state-of-the-art facilities to explore solutions? Do you want to join a dynamic team that helps tackle some of the most challenging issues facing our nation’s security?** We seek to hire a postdoctoral researcher who will perform hybrid direct numerical simulation and large-eddy simulation of turbulent reacting flows relevant to gasoline and natural gas direct injection engines towards the development of predictive turbulence-chemistry interaction models for ignition, flame propagation, knock, and soot films near walls. Research success should result in impactful publications in major scientific journals and widespread recognition within the international scientific research community, as well as relevant contributions to the long-term energy and environmental and high-performance computing mission objectives of the U.S. Department of Energy. On any given day, you will: + Set up and perform DNS simulations that couple complex chemistry with fuel spray, soot formation, and thermal radiation over nontrivial geometry on exascale computing platforms using existing adaptive mesh refinement codes. + Be working as part of a simulation and modeling team both within Sandia and with external collaborators as well with experimental engineer researchers at Sandia.

　　Required:

　　You have the following: + PhD in engineering, computational sciences, physical sciences, or mathematics, with expertise in high-fidelity simulation of turbulent combustion and high-performance scientific computing.

　　Desired:

　　You also have one, or more, of the following: + Strong verbal and written communication skills are also required. + Strong background in turbulence, combustion, chemical kinetics, engine physics, numerical algorithms, and computational science.

　　Department Description:

　　Experimental and computational modeling studies of reacting flow phenomena relevant to combustion processes.

　　About Sandia:

　　Sandia National Laboratories is the nation’s premier science and engineering lab for national security and technology innovation, with teams of specialists focused on cutting-edge work in a broad array of areas. Some of the main reasons we love our jobs: + Challenging work with amazing impact that contributes to security, peace, and freedom worldwide + Extraordinary co-workers + Some of the best tools, equipment, and research facilities in the world + Career advancement and enrichment opportunities + Flexible schedules, generous vacations, strong medical and other benefits, competitive 401k, learning opportunities, relocation assistance and amenities aimed at creating a solid work/life balance* _World-changing technologies. Life-changing careers._ Learn more about Sandia at: http://www.sandia.gov  *these benefits vary by job classification.

　　Security Clearance:

　　This position does not currently require a Department of Energy (DOE) security clearance. Sandia will conduct a pre-employment drug test and background review that includes checks of personal references, credit, law enforcement records, and employment/education verifications. Furthermore, employees in New Mexico must pass a U.S. Air Force background screen for access to Kirtland Air Force Base. Substance abuse or illegal drug use, falsification of information, criminal activity, serious misconduct or other indicators of untrustworthiness can cause access to be denied or terminated, resulting in the inability to perform the duties assigned and subsequent termination of employment. If hired without a clearance and it subsequently becomes necessary to obtain and maintain one for the position, or you bid on positions that require a DOE security clearance, a pre-processing background review that includes checks of personal references, credit, law enforcement records, and employment/education verifications may be conducted prior to a required federal background investigation. Applicants for a DOE security clearance must be U.S. citizens. If you hold more than one citizenship (i.e., of the U.S. and another country), your ability to obtain a security clearance may be impacted.

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