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Seminars Archive

Seminars Archive

06 June, 2024
Location: D. Dan and Betty Kahn Building, Room 217
Methyl cellulose (MC) is a unique material that displays a liquid-solid phase transition when heated. Methyl cellulose is a biocompatible material and it is FDA approved. The manufacturing process of the gel is cheap and it is widely used in...
10 June, 2024
Location: D. Dan and Betty Kahn Building , Room 217
Theoretical characterization and control of transient, resonant responses of many real mechanical systems encounter significant challenges due to their essential nonlinearity. Strong nonlinearity manifests in systems with intermittently interacting components such as granular materials, structures with breathing cracks, interlocking materials,...
19 June, 2024
Location: D. Dan and Betty Kahn Building, Room 217
Underactuated wheeled vehicles are commonly studied as nonholonomic systems with periodic actuation.Twistcar is a classic example inspired by a riding toy, which has been analyzed using a planar model of a dynamical system with nonholonomic constraints. Prior analytical investigations of...
27 June, 2024
Location: D. Dan and Betty Kahn Building, Room 217
My research focused on networks of bistable elements. In the first part of the seminar, I will present an investigation into the fundamental physics of viscous flow injected into a bistable hyperelastic chamber. We examine the mechanics of viscous flow...
01 July, 2024
Location: D. Dan and Betty Kahn Building , Room 217
The talk will cover the following three main topics associated with the acceleration-driven hydrodynamic instabilities and their suppression by elastic forces: Atomization in forensic applications. Reopening dentistry after COVID-19. Liquid films (cavities) subject to pressure difference in the surrounding gas...
03 July, 2024
Location: D. Dan and Betty Kahn Building, Room 217
Permanent creases on thin-walled objects are imprinted lines on which there is local plastic deformation. Geometrically constrained creases are often leveraged as multi-stable elements with applications in various fields, including robotic actuators, energy storage and release, and meta-materials. Using curved...
04 July, 2024
Location: D. Dan and Betty Kahn Building, Room 217
Stochastic nanoporous gold (NPG) structures gained significant interest in the research community due to their advantages as a lightweight structure with a high surface-to-volume ratio. These properties underscore the importance of optimizing and tailoring the mechanical properties of NPG structures...
10 July, 2024
Location: D. Dan and Betty Kahn Building Room 217
The Twistcar is an underactuated toy vehicle composed of two segments: a primary segment on which the child sits, and a secondary segment on which the steering wheel is mounted. Each segment has an axle with wheels. This vehicle is...
25 July, 2024
Location: D. Dan and Betty Kahn Building, Room 217
Fixed-wing aircraft stall – characterized by a sudden loss of lift – is still a prevalent problem in general aviation, accounting for 36% of loss-of-control accidents and more than 40% of all fatalities. Several wind tunnel studies have demonstrated stall-control...
31 July, 2024
Location: D. Dan and Betty Kahn Building, Room 217
The Technion Internal Combustion Engines Lab has previously developed a Combined Electro-Thermo-Chemical Cycle (CETC), which is an innovative hybrid propulsion cycle comprising a solid-oxide fuel cell (SOFC), an internal combustion engine (ICE), and a reformer for thermochemical recuperation of waste...
05 August, 2024
Location: D. Dan and Betty Kahn Building, Room 217
The Transient Fluid Mechanics Laboratory was established three years ago with the goal of studying complex transient phenomena in fluid mechanics. Our primary focus has been to explore intricate fluid dynamics using cutting-edge experimental techniques and advanced data processing methods....
21 August, 2024
Location: D. Dan and Betty Kahn Building, Auditorium 1
Accurate simulations of high-speed flows require high-resolution numerical algorithms. This study developed a class of new high-order numerical schemes and a GPU-accelerated solver to solve the compressible Navier-Stokes equations on curvilinear geometries, including dynamically deforming meshes. Schemes of 4th and...
22 August, 2024
Location: D. Dan and Betty Kahn Building, Room 217
Additively manufactured lattice structures are porous light-weight structures with mechanical properties that are dictated both from the topology and the parent material properties. These light-weight structures are attracting attention in various application in various field of engineering, and among their...
27 August, 2024
Location: D. Dan and Betty Kahn Building, Room 217
The inverse kinematics (IK) of redundant robotic manipulators can be particularly challenging to solve algebraically, especially when dealing with uncertain information about the manipulator link lengths or target location. Potential functions offer a method to obtain numerical solutions for various...
28 August, 2024
Location: D. Dan and Betty Kahn Building, Room 217
This research concerns the mechanical behavior and failure of pig rib bones in order to find a correlation between the failure region(s) and the morphological characteristics. The rib is specifically selected due to the clear separation between the cortical (outer,...
29 August, 2024
Location: D. Dan and Betty Kahn Building, Room 217
In recent years, 3D printing has become a game changing method for millimeter and centimeter scale prototyping. However, its adoption for microfabrication processes in MEMS and transducer applications remains limited. A primary challenge hindering the relevance of additive manufacturing in...
04 September, 2024
Location: D. Dan and Betty Kahn Building, Room 217
The non-elastic mechanical response of most materials occurs through impulsive and discrete events known as avalanches, which arise when a microscopic local region rapidly deforms, leading to a macroscopic strain change. Due to their transient nature and small spatial and...
08 September, 2024
Location: D. Dan and Betty Kahn Building, Room 217
In the world of Kayaking, a significant portion of steering and balancing relies on the paddler’s feet. However, individuals with different disabilities, such as impaired muscle power, limb deficiency, or impaired passive range of movement, face challenges as they cannot...
19 September, 2024
Location: D. Dan and Betty Kahn Building, Room 217
This research considers the fundamental frequency of cantilever beams. The study includes new insight on the free vibrations of a simple elastic beam, and an analysis of the steady vibration response of piezoelectric vibrating energy harvester (PVEH) cantilever unimorphs. Vibrating...
25 September, 2024
Location: D. Dan and Betty Kahn Building, Room 217
This study explores the feasibility of a tunable vibration damper utilizing the electro-rheological (ER) effect to optimize dissipation in oscillating systems. The investigation encompasses both modeling approaches and experimental methods to delve into the ER effect. A specific ER fluid...
26 September, 2024
Location: D. Dan and Betty Kahn Building, Room 217
Multi-stable devices are systems that have multiple different stable equilibrium states. This behavior results from the nonlinearity of the system. Multi-stable MEMS devices are used in many applications and are realized using various operating principles such as geometric structure nonlinearity...
09 October, 2024
Location: D. Dan and Betty Kahn Building, Room 217
Shape memory alloys (SMA) are a subgroup of active materials, which have unique thermo-mechanical response. SMA exhibits two primary characteristics - Shape Memory effect (SME) and superelasticity (SE). The former refers to materials which can deform and return to their...
10 October, 2024
Location: D. Dan and Betty Kahn Building, Room 217
A gyroscope is a device used for measuring rates of rotation or for tracking orientation in space. State-of-the-art Micro-Electro-Mechanical-Systems (MEMS) gyroscopes are integrated in many smartphones, where they are used to measure orientation. The simplest and most common type of...
10 October, 2024
Location: on-line
Direct-bandgap transition metal dichalcogenide (TMD) monolayers are appealing candidates to construct atomic-scale spin-optical light sources owing to their unique valley-contrasting optical selection rules. Here, the photonic Rashba effect is manifested as a spin-split dispersion in momentum space, which provides the...
30 October, 2024
Location: D. Dan and Betty Kahn Building, Room 217
Vapor transfer in porous media is an important phenomenon relevant to applications such as natural gas exploration, mining, water vapor transport through soil layers, leakage detection, and forensics. In this study, buried or concealed sublimating materials enclosed within porous mediums...
06 November, 2024
Location: D. Dan and Betty Kahn Building, Room 217
In recent years, the field of nonlinear lattices has accumulated significant attention. Those structures present an intriguing combination of discreteness and nonlinear effects, leading to the development of a range of applications, such as energy harvesters, shock absorbers, vibration mitigation,...
13 November, 2024
Location: D. Dan and Betty Kahn Building, Room 217
Every heartbeat is initiated by an action potential (AP) that originates in the sinoatrial node and travels through the heart. It triggers a subsequent calcium release from the sarcoplasmic reticulum, initiating contraction of the cardiac cell. The electrical, calcium and...
14 November, 2024
Location: D. Dan and Betty Kahn Building, Room 217
Optical elements require well-defined surface topography of high quality. The production of such smooth, curved surfaces, particularly at the microscale, is challenging for most traditional fabrication methods. Liquids, owing to their natural smoothness, are excellent candidates for creating such smooth...
18 November, 2024
Location: D. Dan and Betty Kahn Building , Room 217
The study of fluid-solid multiphase flows, characterized by the suspension of small solid particles within turbulent carrier fluids, is of significant relevance in both industrial and environmental contexts. Such flows are commonly encountered in processes such as papermaking, fuel combustion,...
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Faculty of Mechanical Engineering, Technion - Israel Institute of Technology, Haifa

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