Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 443 for “"out-of-plane"”.
-
Micromachined, Out-of-Plane Micro Flow Sensors
In addition, we use the fabrication platform to integrate 8 sensor array with on-chip signal conditioning using a commercial operational amplifier circuit. A new method to make the sensor array flexible is also proposed.
-
Moiré interferometry for out-of-plane displacement measurements
Moiré interferometry is a relatively new branch of photomechanics that utilizes a diffraction grating on the specimen to determine surface displacements. To date, it has been used primarily to determine in-plane displacements of the specimen surface. The objective of this work is to demonstrate …
-
Out-of-plane distortion caused by fillet welds in aluminum.
Massachusetts Institute of Technology. Dept. of Ocean Engineering. Thesis. 1972. Ocean E.
-
Efficient out-of-plane microphotonic fiber-to-chip coupler designs
Due to the tremendous increase of data rates in optical communication, and as a result the forthcoming reliance on photonic circuits for all-optical switching, routing and signal processing, efficient coupling of light between a nanophotonic waveguide and a fiber has become a critical and …
-
Out-of-plane behaviour of concrete block walls with unbonded reinforcement
The use of grout in conventional reinforced masonry construction increases the cost and time of construction but, when used in combination with reinforcing steel, allows walls subject to out-of-plane loads an enhanced ability to span between lateral support levels. Reinforced concrete block walls …
-
Photonic Crystal Lorentz Force Magnetometer for Out-of-Plane Magnetic Field Sensing
The miniaturization of highly sensitive and accurate microsensors is crucial for advancing modern sensing technologies with the goal of integrating increasingly complex circuits onto compact devices, such as smart phones and wearables. In this work, a Lorentz force magnetometer was designed based …
-
Investigation of Out-of-Plane Properties of Interlocking Compressed Earth Block Walls
… construction. The incomplete understanding of the inelastic performance of ICEB building systems limits widespread acceptance of this structural system in earthquake prone areas. This thesis presents results from an experimental program designed to explore the behavior of ICEB walls, built …
-
Analysis and Design of Surface Micromachined Micromanipulators for Out-of-Plane Micropositioning
This thesis introduces two ortho-planar MEMS devices that can be used to position microcomponents: the XZ Micropositioning Mechanism and the XYZ Micromanipulator. The displacement and force relationships are presented. The devices were fabricated using surface micromachining processes and the …
-
Response of a grooved plate subjected to out-of-plane contact loading
The response of a grooved plate subjected to out-of-plane contact loading is examined. The influence of selected geometric and loading parameters are investigated, as well as the effects of various boundary conditions. The response of a laminated grooved plate with a quasi -isotropic layup of [0/ + …
-
Finite element analysis of out-of-plane distortion of welded panel structures.
Massachusetts Institute of Technology. Dept. of Ocean Engineering. Thesis. 1972. Ocean E.
-
Fatigue of Masonry Walls with CFRP Applied Externally for Out-of-Plane Loads
… thesis presents an investigation on the effects of fatigue on fiber- reinforced polymers (FRP) when applied to masonry walls subjected to out-of-plane loading. The project aims to provide further research and add to the general testing database of FRP enhanced masonry. An introduction to the …
-
Design and Fabrication of Out-of-Plane Silicon Microneedles with Integrated Hydrophobic Microchannels
Microfabricated needles have the potential for inexpensive drug delivery without pain. The ability to deliver medication painlessly to patients will someday be not just hoped for but expected by the general public. The commercialization of this technology will also lead to other valuable …
-
Analysis of Metal Plate Connected Wood Truss Assemblies under Out-of-Plane Loads
… in construction industry represented 36% of the total fatalities. The Occupational Safety and Health Administration requires workers to use fall protection systems where workers are 6 feet or more above a lower level. Anchors for fall protection systems attached to roof trusses may cause …
-
Response of grooved composite laminates to out-of-plane contact loading via numerical models
The response of grooved composite laminates to out-of-plane contact loading is examined using numerical modeling through the consideration of contact pressure and stresses within the laminate, with particular focus on the area local to the groove. Finite element analysis is employed via ABAQUS, a …
-
The effects of porosity on the out-of-plane tensile strength of laminated composites
The objective of this study was to investigate the out-of-plane tensile strength of graphite/epoxy laminates as a function of porosity. An experimental test program was designed to apply tension to the faces of circular graphite/epoxy specimens in a direction perpendicular to the laminate …
-
Simulation of the In-plane and Out-of-plane Seismic Performance of Nonstructural Partition Walls
… in the experimental and analytical simulation of nonstructural partition walls, a robust solution to prevent extensive damage to these walls has not been found. This is due in part to the lack of validated comprehensive analytical tools to better understand and simulate these walls. The current …
-
Influence of Diaphragm Flexibility on the Out -of -Plane Dynamic Response of Unreinforced Masonry Walls
This study focuses on the out-of-plane behavior of unreinforced masonry bearing walls in buildings subjected to earthquake motions. Results from a set of shake table tests reveal that, in general, the walls performed very well despite the intensity of the base motion and the slenderness of the …
-
Edge fracture of AHSS sheets under out-of-plane loading followed by in-plane loading
… with the dramatical increase in the application of light-weight materials such as Advanced High Strength Steels (AHSS) and aluminum alloys. A premature edge cracking is observed in components with blanked/trimmed/pierced edges during the subsequent metal forming process. To understand the …
-
Establishment of an experimental method for a grooved composite subjected to out-of-plane contact loading
… an experimental method to observe the behavior of a grooved composite subjected to out-of-plane contact loading is established and verified, and its response is examined. The specimen is designed so that the variability of stress-strain state is negligible across the width of the specimen. The …
-
Real time sensing and control of out-of-plane distortion due to line heating by laser
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Ocean Engineering; and, (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1984.
Page 1 of 23