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View article: Comparison of Seismic Analysis And Design Outputs Using IS 1893(Part 1): 2016 And NBC 105:2020 Codes Using Finite Element Software
Comparison of Seismic Analysis And Design Outputs Using IS 1893(Part 1): 2016 And NBC 105:2020 Codes Using Finite Element Software Open
Nepal is located in one of the most seismically active regions in the world and has experienced numerous destructive earthquakes throughout its history. The 1988 earthquake, with a magnitude of 6.8, highlighted the urgent need for earthqua…
View article: Advanced LIGO detector performance in the fourth observing run
Advanced LIGO detector performance in the fourth observing run Open
On May 24th, 2023, the Advanced Laser Interferometer Gravitational-Wave Observatory (LIGO), joined by the Advanced Virgo and KAGRA detectors, began the fourth observing run for a two-year-long dedicated search for gravitational waves. The …
View article: Comparative Study of Thermal Criteria and Fluid-Flow Criteria in Micro and Mini Channel Design Constrains with or without Insert Made of Aluminum Material
Comparative Study of Thermal Criteria and Fluid-Flow Criteria in Micro and Mini Channel Design Constrains with or without Insert Made of Aluminum Material Open
Through experimental and simulation results, a comparison between mini and micro channels with inserts or without inserts is conducted; in this case, water is the only working fluid used for present experimentation. In order to research th…
View article: Oral communication abstracts
Oral communication abstracts Open
International audience
View article: Characterization of systematic error in Advanced LIGO calibration in the second half of O3
Characterization of systematic error in Advanced LIGO calibration in the second half of O3 Open
We present the probability distribution of the systematic errors in the most accurate, high-latency version of the reconstructed dimensionless strain $h$, at the Hanford and Livingston LIGO detectors, used for gravitational-wave astrophysi…
View article: The Cusp Plasma Imaging Detector (CuPID) CubeSat Observatory: Mission Overview
The Cusp Plasma Imaging Detector (CuPID) CubeSat Observatory: Mission Overview Open
The Cusp Plasma Imaging detector (CuPID) Cube Satellite Observatory is a six‐unit Cube Satellite developed to study macroscale properties of dayside magnetopause reconnection. Reconnection will be studied through imaging spatial and tempor…
View article: Reducing scattered light in LIGO’s third observing run
Reducing scattered light in LIGO’s third observing run Open
Noise due to scattered light has been a frequent disturbance in the advanced LIGO gravitational wave detectors, hindering the detection of gravitational waves. The non stationary scatter noise caused by low frequency motion can be recogniz…
View article: Quantum correlations between light and the kilogram-mass mirrors of LIGO
Quantum correlations between light and the kilogram-mass mirrors of LIGO Open
© 2020, The Author(s), under exclusive licence to Springer Nature Limited. The measurement of minuscule forces and displacements with ever greater precision is inhibited by the Heisenberg uncertainty principle, which imposes a limit to the…
View article: Accurate and Precise Calibration of Advanced LIGO Detectors in the Era of Gravitational Wave Astronomy
Accurate and Precise Calibration of Advanced LIGO Detectors in the Era of Gravitational Wave Astronomy Open
The first direct detection of gravitational waves in 2015, and the multiple detections that followed ushered in the era of gravitational-wave astronomy. With these developments, the focus of the gravitational-wave community shifted from de…
View article: Analysis of the Third FIG 3D Cadastres Questionnaire: Status in 2018 and Expectations for 2022
Analysis of the Third FIG 3D Cadastres Questionnaire: Status in 2018 and Expectations for 2022 Open
The 3rd FIG 3D-Cadastres Questionnaire was conducted and distributed by the end of 2018, with an extended deadline of 15th of January 2019. The questionnaire survey is a part of the FIG working group 3D-Cadastres activities for the period …
View article: Towards an Implementable Data Schema for 4D/5D Cadastre Including Bi-Temporal Support
Towards an Implementable Data Schema for 4D/5D Cadastre Including Bi-Temporal Support Open
Cadastral databases have unique requirements not shared by other spatial databases: The third spatial dimension must be included, but visualisation using 2D software must also be accommodated. The majority of users of the Cadastre will use…
View article: Chapter 1. Legal Foundations
Chapter 1. Legal Foundations Open
The concepts of three-dimensional (3D) real property have been the subject of increasedinterest in land use management and research since the late ‘90s while literatureprovides various examples of extensive research towards 3D Cadastres as…
View article: 3D Cadastres Best Practices, Chapter 4: 3D Spatial DBMS for 3D Cadastres
3D Cadastres Best Practices, Chapter 4: 3D Spatial DBMS for 3D Cadastres Open
Subdivision of land parcels in the vertical space has made it necessary for cadastral jurisdictions to manage cadastral objects both in 2D as well as 3D. Modern sensor and hardware capabilities for capture and utilisation of large point cl…
View article: Chapter 2. Initial Registration of 3D Parcels
Chapter 2. Initial Registration of 3D Parcels Open
3D geoinformation is becoming increasingly important towards decision-making, land management and land development. Research has demonstrated the actual added value of 3D information over 2D in the cases of an overall more efficient integr…
View article: 3D Cadastres Best Practices, Chapter 1: Legal foundations
3D Cadastres Best Practices, Chapter 1: Legal foundations Open
The concepts of three-dimensional (3D) real property have been the subject of increased interest in land use management and research since the late ‘90s. Literature provides various examples of extensive research towards 3D Cadastres as we…
View article: 3D Cadastres Best Practices, Chapter 2: Initial Registration of 3D Parcels
3D Cadastres Best Practices, Chapter 2: Initial Registration of 3D Parcels Open
Registering the rights of a 3D parcel should provide certainty of ownership, protection of rights and unambiguous spatial location. While not all cadastral jurisdictions in the world maintain a digital cadastral database, the concepts of s…
View article: Making h(t) for Advanced LIGO
Making h(t) for Advanced LIGO Open
Advanced LIGO's raw detector output needs to be calibrated to compute dimensionless strain h(t). Calibrated gravitational-wave (GW) strain data is produced in the time domain using both a low-latency, online procedure and a high-latency, o…
View article: Calibration Uncertainty for Advanced LIGO's First and Second Observing Runs
Calibration Uncertainty for Advanced LIGO's First and Second Observing Runs Open
Calibration of the Advanced LIGO detectors is the quantification of the detectors' response to gravitational waves. Gravitational waves incident on the detectors cause phase shifts in the interferometer laser light which are read out as in…
View article: Quantum correlation measurements in interferometric gravitational-wave detectors
Quantum correlation measurements in interferometric gravitational-wave detectors Open
Quantum fluctuations in the phase and amplitude quadratures of light set limitations on the sensitivity of modern optical instruments. The sensitivity of the interferometric gravitational-wave detectors, such as the Advanced Laser Interfer…
View article: Initial Registration of 3D Parcels
Initial Registration of 3D Parcels Open
Registering the rights of a 3D parcel provides certainty of ownership, protection of rights and unambiguous spatial location. While not all cadastral jurisdictions in the world maintain a digital cadastral database, the concepts of such re…
View article: The Sensitivity of the Advanced LIGO Detectors at the Beginning of Gravitational Wave Astronomy
The Sensitivity of the Advanced LIGO Detectors at the Beginning of Gravitational Wave Astronomy Open
The Laser Interferometer Gravitational Wave Observatory (LIGO) consists of two widely separated 4 km laser interferometers designed to detect gravitational waves from distant astrophysical sources in the frequency range from 10 Hz to 10 kH…
View article: A Taxonomy of Spatial Units in a Mixed 2D and 3D Cadastral Database
A Taxonomy of Spatial Units in a Mixed 2D and 3D Cadastral Database Open
The aim of this paper is to define the range of objects that may need to be accommodated in the development of a practical cadastral database, to also accommodate 3D spatial units, and permit a range of encodings to coexist. The level of g…