Tecplot, Inc.’s Post

Read our publication, which explains the importance of underwater acoustics in understanding sound propagation in water and its various applications. Overall, this research provides an informative overview of underwater acoustics and the potential for Machine Learning and Deep Learning techniques to enhance research in this field. From marine research to naval operations, understanding these acoustic phenomena is key. Dive into the details and discover how cutting-edge technology shapes the future of acoustic sciences! 🌐 🔍Read more: https://bit.ly/4cRgjaH   Arnab Das, Ministry of Ports , Shipping and Waterways (India), Ministry of Earth Sciences , Indian Navy , INDIAN COAST GUARD. #UnderwaterAcoustics #MachineLearning #DeepLearning #ResearchInnovation #AcousticScience #TechInResearch

The "special sauce" and competitive advantage of the Naval Postgraduate School is the Venn diagram of validated operational needs from operators in the Fleet, academic research arms within the school to test new ideas, and the connection with industry to have some of the best minds and talent solve these complicated DOD problems." In this month’s Faces of NPS: The New Space Race, we highlight Lt. Cmdr. Hans Lauzen, USN, a Masters Candidate in Space Systems Operations at the NPS and Masters Candidate in Defense and Security Studies at the U.S. Naval War College. Lauzen's research at #NPS and #NWC is advancing Naval Special Warfare's command and control systems through the use of proliferated low earth orbit (pLEO) networks. Lauzen’s insights underscore the importance of industry partnerships, the evolving landscape of naval communication systems, and the integration of autonomous technologies in shaping future defense strategies. Lauzen also emphasizes NPS’ role as a nexus for fostering collaboration among government, industry and academia to address space operations' unique challenges. "The American leadership must simply continue to invest, learn, and harvest the hard work and critical thinking happening at NPS, especially in the space domain." Read his full interview here: https://lnkd.in/gsr5GbTi #SpaceSystemsOperations #SAS24 #NavalPostgraduateSchool #NPSstudent #NPSresearch

#Mathematics #particularinterest 💨 Welcome to this article from Mr. David Barnhill and Prof. Dr. Ruriko Yoshida in Naval Postgraduate School, USA. 💬 #Clustering Methods over the #Tropical #Projective #Torus In this paper, they propose #clustering methods for use on data described as #tropically _convex. Their approach is similar to clustering methods used in the #Euclidean_space, where they identify groupings of similar observations using #tropical #analogs of #K-#means and hierarchical clustering in the Euclidean space. They provide results from computational experiments on #generic #simulated data as well as an application to phylogeny using #ultrametrics, demonstrating the efficacy of these methods. 🔗 https://buff.ly/4drpNLc #MDPIOpenAccess #ComSciMath_Mdpi

💡 Yesterday, Steve Nichols delivered an insightful tutorial on the “Fundamentals of Vibration Testing and Data Acquisition Systems” at the Space Simulation Conference, hosted by the IEST: Institute of Environmental Sciences and Technology.   If you missed the session or have questions about vibration testing and analysis, be sure to stop by 👉 booth #1 to chat with Steve and Ethan Davis!   You can also connect with them during Wednesday’s 👋 Naval Academy Walking Tour & Reception.   Looking forward to seeing you there!   #Engineering #VibrationTesting #DataAcquisition #Conference

At the primary Naval Academy of the #Chinese PLA #Navy, researchers are studying sonar performance in a key area around the #Philipines. Here is a summary of the key points from the research article: - The study analyzed #sonar detection range (DR) variations in the #LuzonStrait from 2019-2023 using the #Bellhop #acousticpropagation model. - Key findings: 1. In summer/autumn, the shallow mixed layer results in shorter DRs mainly dependent on water depth:   - Shallow water (<150m): Short DR (1-2km) due to energy loss from frequent reflections   - Intermediate depths (150-2500m): DR of 5-8km   - Deep water (>2500m): DR of 2-5km 2. In winter/spring, the thick mixed layer forms a surface sound channel, becoming the main factor influencing DR:   - DRs are generally larger, exceeding 10km in some areas - The mixed layer depth (MLD) and water depth were identified as the two primary factors affecting DR variations. - An empirical formula was developed to predict DR using only MLD and water depth data, showing good agreement with simulated results. - The study provides insights into spatiotemporal DR patterns in the Luzon Strait, which has implications for submarine detection and search operations in this strategically important area. - Future work could focus on developing more advanced predictive models and applying the findings to optimize search path planning.

Here is a brute and wild opening of a scientific journal: "All mathematics is divided into 3 parts: cryptography (paid for by CIA, KGB and the like), hydrodynamics (supported by manufacturers of atomic submarines) and celestial mechanics (financed by military and by other institutions dealing with missiles, such as NASA)." V. I. Arnold on "Polymathematics: is mathematics a single science or a set of arts?"

"In this Office of Naval Research supported work, we try to understand the unsteadiness and three-dimensionality of shock-wave/boundary-layer interactions over axisymmetric bodies. Such interactions exist in high-speed air vehicles, where curved surfaces are often encountered. Three-dimensionality and unsteadiness induced by such interactions are relatively more complex than well-studied two-dimensional interactions. Understanding these fundamental flow physics can help us improve the design and control of supersonic air vehicles." #marine #cfd #fluiddynamics #engineering #science #turbulence #aerospace

The strangest research vehicle in the history of the world FLIP, a naval platform designed for scientific research, was the strangest naval research platform in the history of the world, which has recently (in 2023) been decommissioned. Its special feature was that it could move horizontally at sea, but where scientific research was intended, it could be parked vertically - in a vertical position, its center of mass would be well below the surface. From which even the strong waves of the sea could not move it from its place. It is very important for scientific observations that the instruments do not change position or vibrate during the observations. Thus, from this highly stable platform, experts could easily observe underwater life, make precise measurements and take samples. This platform was designed in 1962. It may not be correct to call it a ship because there was no engine in this platform - it was pulled by ships or tug boats and brought to the desired location in a horizontal position - after reaching the desired place, it The ballast tanks were filled with water, which gradually made the platform vertical - it had a capacity of about sixteen people, including scientists and crew, who could stay at one place continuously for a month of research. After the survey work was completed, the ballast tanks would be emptied and the platform would slowly return to horizontal position - after which ships would tow it to port. Last year experts recommended a complete overhaul of the platform - but the cost of the overhaul was so high that experts decided to decommission it and retire it in August 2023. Link to Original Information: https://lnkd.in/dD3Sd3fV #Scientificresearch #Theworld #Technology

U.S. Naval Research Laboratory's Hui Christophersen from the Marine Meteorology Division attended the 8th World Meteorological Organization (WMO) workshop in Norrköping Sweden. The workshop covered the Impact of Various Observing Systems on Numerical Weather Prediction (NWP) and Earth System Prediction. The workshop is an important quadrennial venue for providing science evidence on the impacts of surface- and space-based observing systems, on short- to medium- and longer-range NWP forecasting including climate monitoring. Conclusions from the workshop provide guidance on how to optimize the use of the current global observing system as well as help guide its future evolution. Hui presented the impact studies on a recent tech demo mission called COWVR (Compact Ocean Wind Vector Radiometer). Despite being smaller in size and a fraction of the cost compared to the legacy satellite sensors, the assimilation of COWVR data exhibited a comparable impact to those legacy sensors. US Navy United States Department of Defense #NRL #people #partnerships #revolutionize #innovate #STEM #usnavy #lab #education #scientist #NRLresearch #ScientificAdvancements #scientificresearch #FutureTech #research #engineering #engineers #science #technology

My favorite part of this review are the opening words: "Reading like a textbook from the future . . ." In fact, it is already being used as a textbook at three graduate institutions (U.S. Army Command and General Staff College, Naval Postgraduate School, Kansas State University). Paul Szymanski and I appreciate the continued support and the growing interest in our book. https://lnkd.in/gcxGErvy #spacewar #NASA #SpaceForce #SpaceCommand #KState #CGSC #SAMS #NPS