“希瓦娜目前正在研究PMMA(聚甲基丙烯酸甲酯)是如何产生的
Methacrylate) fractures and how shock waves propagate through the solid. PMMA is an
工业生产的树脂,采用甲基丙烯酸甲酯聚合合成.
It’s better known as acrylic or acrylic glass. To study this, she utilized schlieren
imaging techniques to watch as the shockwaves spread through the medium."
-Excerpt from article by Alexandra Sartori
教师之间相互合作,也与其他部门的研究人员合作
比如土木工程、材料工程、商业和技术管理.
此外,一些项目涉及与来自中国的研究人员的外部合作
national laboratories and small businesses.
Projects are funded by federal sources (DTRA, NASA, U.S. Navy, NSF), national laboratories,
and SBIR projects. The Mechanical Engineering department brought in the second highest
NMT各院系在2019财年的平均研究经费.
Radiation Shielding with Fluid Filled Cellular Composite
Graduate Student: Gabriel Maestas PI: Dr. Ashok Ghosh Gabriel Maestas, a new NMT grad student who completed his B.S. in Mechanical Engineering
他目前正在研究一种充满液体的细胞复合材料
for radiation shielding properties. This composite material, developed by Dr. Ashok Ghosh,是基于人类头骨结构,其中皮肤层的材料
sandwhich a foam core whose interstitial space is filled with liquid. Prior research
表明该结构材料在高应变率冲击下具有良好的性能
电阻,声学和振动阻尼,热管理和电位
in radiation shielding.
Figure: Layer Wise Fluence, from prior research
加布里埃尔正在努力探索新墨西哥州太空资助联盟的资助
观察到这种FFCC可以屏蔽部分辐射光谱
on a layer-wise basis. This would allow the option of optimizing the FFCC material
到特定的太空任务,从而减少与辐射有关的尺寸和重量
shielding. 这对于长时间的太空旅行是特别重要的,在那里电流屏蔽
materials like lead and tantalum are bulky and heavy, reducing flight range.
Explosively-driven shock wave and fireball dynamics
Graduate and undergraduate students in Dr. Hargather's research laboratory are studying various aspects of explosively-driven phenomena. PhD student Kyle Winter
他正在完成关于固体冲击波反射动力学的论文吗
surfaces. 凯尔的工作是探索预测冲击波反射特性的能力
and pressures based on free-air shock wave properties. This work is funded by the
US Air Force.
博士生克里斯蒂安·彼得森和维罗妮卡·埃斯波诺萨正在分析爆炸驱动的
火球膨胀和湍流在无约束和受限几何中的演化.
Christian开发了图像处理方法来提取火球表面
纹影图像是表征表面分形秩序演变的
as a measure of turbulent evolution. This project is funded by DTRA grant HDTRA-1-18-0022.
Reactive Nanocomposite Materials for Enhanced Lethality Kinetic Warheads
Graduate Student: Bradley Miller PI: Dr. Jamie Kimberley 这个项目测量的是活性物质配方的破裂和能量释放.
使用推进剂驱动的气枪和冲击发射反应物质样品
at supersonic velocities into rigid plates. Kolsky bar compression tests are used
测量动态本构响应,表征破碎行为
dynamic loading.
溶质原子和析出物对MgAl变形和孪晶响应的影响
alloys
Graduate Student: Christopher Bond PI: Dr. Jamie Kimberley 该项目旨在了解溶质原子和沉淀物对材料的影响
dynamic failure response of a binary Mg Alloy. The experiments focus on high rate
张力试验采用高速率成像在微观尺度下直接观察滑移
trace and twin propagation.
二维激波爆轰传播的实验研究
arrays of metal inclusions
Graduate Student: Noah Edwards PI: Dr. Jamie Kimberley 这个项目是测量带有夹杂物的光学透明材料中的冲击波传播,
并致力于测量爆炸性材料的冲击波到爆轰的转变
with metal inclusions. The work is developing optical diagnostics and measurement
capabilities and experimental data for computational code validation.
Systematic ICME approach linking feedstocks to additive manufacturing science
Graduate Student: Brandon Turner PI: Dr. Jamie Kimberley 该项目正在使用ICME方法开发用于陆军任务的增材制造原料
critical areas. My portion of the project focuses on Dynamic microscale characterization
of deformation mechanisms in AM fabricated alloys. Additionally, my group is using
激光散裂的研究,以评估原料和制造方法的增材电子
materials.
Laboratory Scale Stressed Target Visualization
Graduate Student: Dillon Mann PI: Dr. Jamie Kimberley 这个程序正在研究通过透明丙烯酸样品的冲击传播
simulating geothermal explosively-driven fracturing applications.
Fringe Projection Profilometry Applied to Measure High Rate Deformation Events
Graduate Student: Ernest Miramontes PI: Dr. Jamie Kimberley 该项目寻求采用全场位移测量技术“边缘”
projection method” to studig dynamic deformation events. The technique projects a
被测量表面上一系列平行的明暗线(条纹).
计算连续图像之间的空间相位差允许非接触
measurement of out of plane displacement and shape.
Capstone to Work
NMT Students Involved: Sidhartha Arunkmar, Nicholas Alvarez, Amy Tattershall PI: Julie Ford “工作的顶点”项目是由美国国家科学基金会资助的一项多机构研究
顶点设计经验对刚毕业的工程师第一年的影响
of work.
考虑本构方程的物理过程机器学习
NMT Students: David Kunkel, George Hoover PI: Dr. Donghyeon Ryu Dr. Donghyeon Ryu collaborates with Dr. Andy Huang at Sandia National Lab (SNL) for
一个SNL实验室指导研究与开发(LDRD)加速协作研究
核(ACORN)项目,题为“考虑物理过程的机器学习”
of Constitutive Equations.” M.S. student George Hoover and an undergraduate student Mr. David Kunkel have worked
在这个项目中建立了一个基于机器学习(M-L)的框架来推导
新型功能材料的多物理场本构方程及其发展
基于非接触式结构传感的M-L损伤诊断与预后方法
skin.
航空航天系统声发射监测:飞向新的安全高度
NMT Student: Savannah Bradley PI: Dr. Ebrahimkhanlou 萨凡纳·布拉德利是第四代飞行员,她对航空航天的热情激励着她
research in the Visual and Acoustic Monitoring (VAM) Laboratory with Dr. Arvin Ebrahimkhanlou.
结合她在腐蚀监测设计团队的工作,她进行
利用声发射数据监测航空航天系统结构的研究
health.
Free flight density fields around ballistically launched projectiles
NMT Student: Jason Falls PI: Dr. Hargather 研究有时是单调的,要花很长时间在实验室里进行计算
and simulations just right. Research can also be getting to shoot a .50 caliber gun.
And .50 caliber guns are no joke, with the most well known one being the .50 Browning
Machine Gun.