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43 results about "Dynamic elasticity" patented technology
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Dynamic elasticity is a key featuring in the cloud computing context and perhaps distinguishes this 1.1 Reflections on Dynamic Elasticity computing paradigm of the other ones, such as cluster and grid computing. [1].
Polyurethane composition and polishing pad
InactiveUS20040157985A1Stable productionImprove compatibilityFlexible-parts wheelsLapping toolsAqueous mediumPolymer chemistry
A polyurethane composition containing solid beads dispersed therein, characterized in that the polyurethane is a microcellular polyurethane foam and the composition has a storage modulus of elasticity at 40° C. of 270 MPa or more as measured by means of a dynamic elasticity measuring device: and a polyurethane composition containing solid beads dispersed therein, characterized in that the solid beads are capable of swelling with or being soluble in an aqueous medium. The former composition has excellent flattening capability, and the latter composition can provide a polished surface which combines good flatness and good uniformity and can also reduce scratches on the surface.
Owner:ROHM & HAAS ELECTRONICS MATERIALS CMP HLDG INC
Power measuring method for anti-slide durability of side slope anti-slide pile
ActiveCN107630474AOvercome deficienciesOvercome limitationsFoundation testingThrust bearingLandslide
The invention belongs to the technical field of landslide control, and particularly relates to a power measuring method for anti-slide durability of a side slope anti-slide pile. The power measuring method comprises the following steps that S1, physical parameters of a to-be-measured side slope are determined; S2, the curve of maximum slide thrust borne by the anti-slide pile and anti-slide pile design parameters are determined, and the anti-slide pile is mounted; S3, dynamic Poisson ratio and dynamic elasticity modulus durability change rules of the anti-slide pile are measured; S4, the anti-slide pile structure durability damage variable is determined; S5, the anti-slide pile structure durability criterion is determined; and S6, anti-slide pile durability critical dynamic elasticity modulus value determining and stability detection and evaluation are achieved. According to the method, dynamic elasticity modulus parameters are introduced to be used as kinetic parameters for anti-slidepile anti-slide durability power measurement and stability evaluation, and by means of the parameters, the durability life and the durability stability of the anti-slide pile can be accurately measured.
Owner:QINGDAO TECHNOLOGICAL UNIVERSITY
Electro-optical module and electronic device
ActiveUS20070046873A1Improve impact resistanceThin thicknessLiquid crystal compositionsThin material handlingOptical ModuleEngineering
An electro-optical module includes: an electro-optical panel; and a transparent protector disposed on a viewer-side surface of the electro-optical panel, wherein transparent protector has a stack structure including a first transparent protection layer that faces the electro-optical panel and is formed of an elastic material and a second transparent protection layer that has a higher dynamic elasticity value than that of the first transparent protection layer within a frequency range of 1 to 10 Hz.
Owner:JAPAN DISPLAY WEST
Evaluation method of self-repairing effect of self-repairing cement-based material
InactiveCN105300801AControl diversificationComprehensive performance response evaluationPreparing sample for investigationMaterial strength using tensile/compressive forcesStress intensity factorPhysical property
The invention relates to the field of methods for testing or analyzing concrete by virtue of the chemical or physical properties of a measuring material, particular to an evaluation method of the self-repairing effect of a self-repairing cement-based material. The evaluation method of the self-repairing effect of the self-repairing cement-based material is characterized in that the evaluation indexes comprise relative dynamic elasticity modulus, fracture behaviors (stress intensity factor recover rate and fracture toughness recover rate), constitutive behavior comparison, flexural rigidity recover rate and strength recover rate. The evaluation method comprises the following steps: step 1, preparing a test piece; step 2, prefabricating local cracks and dispersed cracks; step 3, testing all the parameters; step 4, completing self repairing; step 5, testing all the parameters; step 6, calculating, processing, and evaluating the repairing effect. The method is comprehensive in evaluation.
Owner:TONGJI UNIV
Device and method for measuring dynamic elasticity modulus in temperature environment
InactiveCN102620984AFree from destructionStable vibration effectStrength propertiesModal testingDynamic modulus of elasticity
The invention discloses a device and a method for measuring dynamic elasticity modulus in the temperature environment. The technical scheme of the device includes that a beam-shaped test piece is clamped on a fixed rigidity table in a manner of a cantilever state with one end fixed and the other end free; by the aid of a resistance heating device, a thermocouple feeds back temperature and a temperature controller controls heating and temperature of the test piece, a piezoelectric ceramic vibration exciter mounted on the test piece receives excitation signals amplified by a signal amplifier toexcite the test piece, a laser vibration measurer performs modal tests on the test piece in the temperature environment, a computer receives signals of the laser vibration measurer, acquires fixed frequency and modal of each step in the controlled temperature environment through signal analysis and calculates dynamic elasticity modulus of materials in the controlled temperature environment by tested fixed frequency according to the relation between the fixed frequency and the elasticity modulus. The device has the advantages of nondestructive testing, convenience in use and operation, high measuring accuracy and the like.
Owner:BEIHANG UNIV
Coupling commuting method of hot-gas dynamic elasticity characteristics of high supersonic velocity flight vehicle
ActiveCN107368661ASmall amount of calculationRealize thermo-aeroelastic analysisDesign optimisation/simulationSpecial data processing applicationsPhysical fieldEngineering
The invention discloses a coupling computing method of dynamic elasticity characteristics of a high supersonic velocity flight vehicle. Starting from physical field characteristic times like aerodynamic force, aerodynamic heat, structural heat transfer and structural stress / deformation, on the premise of considering existing computing resources and not lowering coupling computing precision, the computing amount of a coupling analysis method is effectively reduced, and the coupling computing method can be applied to hot-gas dynamic elasticity analysis of an actual structure of the high supersonic velocity flight vehicle. By monitoring the change condition of the structural temperature field, dynamic adjustment of the coupling time step length can be achieved, and on the condition of effectively guaranteeing the coupling computing precision, the problem of improving the coupling computing efficiency by a large margin is solved. According to the coupling computing method of the dynamic elasticity characteristics of the high supersonic velocity flight vehicle, hot-gas dynamic elasticity characteristic analysis of whole-machine structure or parts of the high supersonic velocity flight vehicle can be effectively achieved; meanwhile, for flow-heat-solid coupling computing problems like the aerodynamic heat and heat transfer coupling problem and the structural heat safety evaluation problem which are also related to the flight vehicle, the coupling computing method also has the solving capability.
Owner:CALCULATION AERODYNAMICS INST CHINA AERODYNAMICS RES & DEV CENT
Measuring method of anisotropy coefficient of transverse isotropic rock in-situ dynamic elasticity modulus
InactiveCN104374827AAccurately obtain the anisotropy coefficientAccurate measurementAnalysing solids using sonic/ultrasonic/infrasonic wavesIsoetes triquetraLongitudinal wave
The invention relates to a measuring method of anisotropy coefficient of transverse isotropic rock in-situ dynamic elasticity modulus. In the measuring method, a first testing hole, a second testing hole, and a third testing hole are parallelly arranged on a flat plane of a transverse isotropic rock, wherein the orifices of the first testing hole, the second testing hole, and the third testing hole are all in an equilateral triangle shape. The axial dip angels of each testing hole are determined by whether the inclined angle between the isotropic surface of the transverse isotropic rock and the horizontal plane is greater than 45 degrees or not. The measuring method comprises: carrying out an ultrasonic wave longitudinal wave measurement on each testing hole through single-hole measurement mode; carrying out ultrasonic longitudinal penetration tests between any two holes in a hole-to-hole penetrating testing mode, and finally processing, calculating, and analyzing the measured wave speed data so as to obtain the anisotropy coefficient of transverse isotropic rock in-situ dynamic elasticity modulus. The provided measuring method has the advantages that the disturbance on the transverse isotropic rock is small and the measured anisotropy coefficient of transverse isotropic rock in-situ dynamic elasticity modulus is precise.
Owner:INST OF ROCK AND SOIL MECHANICS - CHINESE ACAD OF SCI
System and method for providing dynamic elasticity of contact center resources
ActiveCN104823157ASpecial service for subscribersHardware monitoringContact centerDynamic elasticity
A system and method for monitoring deployment states of a contact center. A processor migrates a state of the contact center from a first deployment state to a second deployment state. The processor records the steps in migrating from the first deployment state to the second deployment state, and stores the recorded steps in association with metadata describing the second deployment state. The processor monitors health of the second state, and takes an action for moving the state of the contact center to a healthy state in response to determining that the second deployment state is unhealthy. The migrating may be based on detecting a condition relating to operation of the contact center. The processor dynamically adjusts at least one hardware or software resource for the contact center based on the detected condition for migrating the state of the contact center from the first to the second deployment state.
Owner:GREENEDEN U S HLDG II LLC
Method for detecting quality of grouting of sleeve of prefabricated concrete structure
ActiveCN109856143ALow costStrong applicability for promotionPreparing sample for investigationMaterial analysis by optical meansShear modulusYoung's modulus
The invention relates to a method for detecting the quality of grouting of a sleeve of a prefabricated concrete structure. The method comprises the steps that before a grouting procedure, a guiding pipe with the depth enabling the guiding pipe to achieve the inner wall of the sleeve is inserted in to a gout outlet pipeline of the sleeve, the guiding pipe is pulled out after a grouting material isfinal set, when the guiding pipe is pulled out, if a hollow cavity is formed in the guiding pipe by visual inspection, that is, the grouting material in the horizontal guiding pipe and the grouting material in the vertical sleeve are discontinuous, and the condition that grouting of the sleeve is not full; and otherwise, if a breaking-off surface of the end part of a horizontal section of the guiding pipe and the grouting material of the inner wall of the sleeve can be seen, the grouting material in the guiding pipe is full; and the solid grouting material in the guiding pipe is taken out to be made into a cylinder test piece, the curl frequency and the distortion frequency of the test piece are measured, a young modulus E<d>, a shear modulus G<d> and a poisson ratio mu are acquired, and dynamic elasticity modulus data is obtained to estimate the strength and material of the grouting material. The method detecting the quality of grouting of the sleeve of the prefabricated concrete structure has randomness, the adaptability is high, the cost is low, population is easy, rapidness and high efficiency are achieved, the connecting part of grouting of the sleeve cannot be damaged, and comprehensive, objective and precise reference is provided for quality detection of actual grouting construction.
Owner:SGS STANDARD TECHNICAL SERVICES SHANGHAI CO LTD
Compound modified cement concrete internal-maintenance material and preparation method thereof
The invention provides a compound modified cement concrete internal-maintenance material and a preparation method thereof. The maintenance material is prepared by compounding inorganic hydrotalcite-like compounds with organic high water-absorbent resin through an intercalation modification technique. The material preparation by virtue of the preparation method has excellent water retention capacity, the shrinkage of concrete is reduced to a great extent, the compressive strengths in the days 7 and 28 are increased by above 10%, the relatively dynamic elasticity modulus after 300 freezing and thawing cycles is above 80%, the anti-freezing property is obviously improvided, and the chloride penetration resistance and sulfate corrosion resistance are remarkably improved.
Owner:西安华泽道路材料有限公司
Method for measuring viscosity of liquid, and method and apparatus for measuring visco-elasticity of liquid
A method for measuring viscosity of liquid, in which a liquid detecting piece 3 is vibrated by a vibrator 1, vibration of the liquid detecting piece 3 in liquid 4 is detected, and viscosity of the liquid 4 is measured from vibration thus obtained, the method comprising the steps of detecting frequency and amplitude which are variable attributable to liquid-specific visco-elasticity from the vibration, obtaining impedance of the liquid from the frequency and the amplitude, and obtaining a dynamic viscosity from a real number part and an imaginary number part of the impedance. There is also disclosed a method for measuring visco-elasticity of liquid comprising the step of obtaining a dynamic viscosity, a dynamic elasticity and a static elasticity of the liquid from a real number part and an imaginary number part of the impedance. There is also disclosed an apparatus comprising a vibration-type liquid detecting apparatus U for performing the viscosity measurement and the visco-elasticity measurement, a frequency / amplitude detecting circuit 7, 8, an impedance computing circuit 9, a circuit 10a for computing a dynamic viscosity and a dynamic elasticity of the liquid and a circuit 10b for computing a static viscosity of the liquid.
Owner:SEKONIC CORP
Memory space management method of distributed file system and system
ActiveCN103106246AAchieve resilienceRealize managementSpecial data processing applicationsDistributed File SystemResource information
The invention relates to the technical field of storage and provides a memory space management method of a distributed file system and a system. The method comprises steps that: a storage resource obtains instructions and parameters of storage resource operation; finding a preset storage resource recording linked list; obtaining storage resource information corresponding to the instructions and the parameters; carrying out corresponding operations to the distributed file system according to the storage resource information. The memory space management method of the distributed file system and the system achieve the dynamic elasticity distribution and management to the memory space of the distributed file system.
Owner:SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI
Method for evaluating roadbed grouting reinforcement effects
ActiveCN103790188AFast wayMethod losslessFoundation testingFalling weight deflectometerFeature parameter
The invention relates to a method for evaluating roadbed grouting reinforcement effects. The method is characterized by comprising steps of (1), arranging measuring points; (2), testing pre-grouting roadbed dynamic elasticity moduli, in other words, testing the various detection positions and acquiring the pre-grouting roadbed dynamic elasticity moduli of the various detection positions by means of computation; (3), testing and acquiring post-grouting roadbed dynamic elasticity moduli; (4), evaluating the grouting reinforcement effects. Representative values E<0> of the roadbed dynamic elasticity moduli of the various measuring points in evaluation units are computed according to formulas, and representative values E<0><pre-grouting> of the pre-grouting roadbed dynamic elasticity moduli and representative value E<0><post-grouting> of the post-grouting roadbed dynamic elasticity moduli are computed, so that increase rates E<0><increase rate> of the roadbed dynamic elasticity moduli can be acquired by means of computation. The method has the advantages that the roadbed dynamic elasticity moduli can be quickly measured on the basis of a falling-weight deflectometer process and are feature parameters which reflect the soil strength of roadbeds, the method is nondestructive, speedy, simple and effective, and accordingly huge engineering loss due to roadbed grouting construction quality defects can be prevented.
Owner:天津市市政工程研究院
Spring elasticity detection device and method
PendingCN107727293AExquisite structureHigh degree of automationApparatus for force/torque/work measurementSpring forceEngineering
The invention discloses a spring elasticity detection device and method. The device comprises a double-layer support, a workpiece in-place recognition mechanism, a workpiece positioning base and a carbon brush jacking-in mechanism are arranged on the upper layer of the double-layer support, and a testing mechanism servo control device, a turning device and a force measurement mechanism are arranged on the lower layer of the double-layer support. The spring elasticity detection device is a novel mechanism aiming at dynamic elasticity value detection of a motor carbon brush spring in a set stroke range, solves the problems of detection data scarcity and large volatility of the detection result of the spring elasticity, achieves detection of the dynamic variation rule of the spring elasticityin the elastic range, provides detailed and reliable basic data for scientific analysis and management of the product technical quality state, and has extremely key functions on guarantee of stable and reliable product quality.
Owner:廊坊金润奥通智能装备有限公司
Vibration based I-beam mechanical parameter nondestructive testing method
ActiveCN106769560AAvoid damageRealize non-destructive testingMaterial strength using repeated/pulsating forcesShear modulusResonance
The invention relates to a vibration based I-beam mechanical parameter nondestructive testing method. The corresponding relations between the elasticity modulus and the shear modulus and the geometric dimension, the bend frequency and the shear modulus of an I-beam are established through the empirical formula. Finally, the measured first-stage flexural resonance frequency ff and first-stage shear resonance frequency ft and the geometric dimension of the I-beam are taken as an input of the empirical formula, and the dynamic elasticity modulus E and the dynamic shear modulus G of the I-beam are obtained through calculation. The provided I-beam mechanical parameter nondestructive testing method overcomes the limit that an engineering material needs to be made into a standard sample when the mechanical parameter of the material is tested, overcomes the influences of the machining process on the mechanical parameter of the material, simplifies the testing steps of the traditional testing method and the damage on the structure in the testing process, and is suitable for the practical application condition of the I-beam; the flexural resonance frequency and the shear resonance frequency of the I-beam are recognized, and the dynamic mechanical parameter of the I-beam is efficiently, accurately and nondestructively tested.
Owner:WENZHOU UNIVERSITY
High-intensity controlled-expansion alloy containing Cr
The invention relates to a high-intensity controlled-expansion alloy containing Cr. The alloy comprises the following components in percentage by weight: not greater than 0.08% of C, not greater than 0.40% of Si, not greater than 1.0% of Mn, not greater than 0.010% of S, not greater than 0.010% of P, 35.0-38.0% of Ni, 0.8-2.5% of Cr, not greater than 1.0% of Nb, 0.5-1.5% of Co, and the balance Fe. The alloy is high in mechanical intensity under room temperature and high in dynamic elasticity modulus, and can be applied to precision instruments and equipment with special requirements or other precision instruments and equipment with such requirements.
Owner:CHONGQING MATERIALS RES INST
Portable dynamic elastic modulus tester controlled by mobile terminal
PendingCN110730516ASimple pairing and connectionFast pairingConnection managementSubstation equipmentEngineeringLithium-ion battery
The utility model discloses a portable dynamic elastic modulus tester controlled by a mobile terminal. The portable dynamic elastic modulus tester comprises a host, a transmitter and a receiver; thehost comprises a broadcasting module, an equipment connecting module, a processor and a lithium ion battery; the host is a cuboid; the broadcast module, the equipment connection module, the processorand the lithium ion battery are arranged in the host, the emitter and the receiver are arranged outside the host, the emitter and the receiver are connected with the host through cables, and the mobile terminals are in one-to-one connection with the equipment connection modules of the tester and perform bidirectional wireless communication through the broadcast module. A user carries a device without a display screen, the carrying weight is reduced, a mobile phone of the user controls and processes data, and the problems that a portable dynamic elasticity modulus tester is limited in information processing capacity, slow in processing and stuck are solved.
Owner:TIANJIN POLYTECHNIC UNIV
Integrated testing machine for quickly freeze thawing and detecting concrete
PendingCN109444037AImplement freeze-thaw cyclesEasy to detectWeather/light/corrosion resistanceMaterial strength using tensile/compressive forcesFreezing thawingSteel frame
The invention discloses an integrated testing machine for quickly freeze thawing and detecting concrete. The integrated testing machine for quickly freeze thawing and detecting the concrete comprisesa testing machine case, wherein an automatic detection system is arranged on one side of the testing machine case; the detection process is accomplished through a testing detection platform and the automatic detection system; multiple extraction supports are arranged in the testing machine case, and the extraction supports comprise stainless steel frames; a handle is arranged on the top part of each extraction support; the testing detection platform comprises a rectangular platform; support steel plates are arranged on the front side and the back side of the platform; two sliding wheels are arranged on the bottom part of the support steel plate on each side; a slideway is arranged on an outer frame of the testing machine; the testing detection platform can slide on the slideway left and right. When the integrated testing machine for quickly freeze thawing and detecting the concrete provided by the invention is used for testing a concrete sample, the concrete sample is conveniently placed and taken out, the quality of the concrete sample and a dynamic elasticity modulus are automatically tested on the special testing platform for the integrated machine, and the data is automaticallystored.
Owner:中铁检验认证中心有限公司
Concrete temperature stress testing machine with ultrasonic and acoustic emission detection function
InactiveCN106092764ALossless fastHigh precisionAnalysing solids using sonic/ultrasonic/infrasonic wavesMaterial analysis using acoustic emission techniquesTemperature stressS-wave
The invention provides a concrete temperature stress testing machine with an ultrasonic and acoustic emission detection function. The machine comprises a temperature stress testing machine body 8, an ultrasonic testing system and a computation device. A bottom plate 9 of the temperature stress testing machine body 8 is provided with a plurality of installation holes and baffles matched with the installation holes and used for filling the installation holes. After concrete solidifies and the baffles are screwed off, a P wave probe in the ultrasonic testing system is installed in the installation hole 1, an S wave probe in the ultrasonic testing system is arranged in the installation hole 3, and the P wave probe 4 and the S wave probe 5 are installed on the portions corresponding to the upper surface of a concrete pouring area 10 above the P wave probe installation hole 1 and the S wave probe installation hole 3 respectively. The dynamic elasticity modulus of concrete is calculated by the computation device according to wave speed detected by the P wave probe 4 and the S wave probe 5. Elasticity modulus in the concrete temperature stress testing process can be accurately measured in real time in a lossless mode, and cracking specimens and breaking positions of concrete can be dynamically monitored.
Owner:TSINGHUA UNIV +1
Dynamic elastic satellite beam scheduling method
The invention discloses a dynamic elastic satellite beam scheduling method, and the method comprises the steps: receiving task information inputted by a user, obtaining ephemeris information of a satellite, and processing the task information according to the ephemeris information to obtain a first task model and a resource model in three dimensions of time, space and frequency; and performing satellite beam scheduling on a preset dynamic elastic adjustment scheduling window length according to a preset triggering mechanism, the first task model and the resource model. The technical problem of low overall use efficiency of satellite beam scheduling in the prior art is solved.
Owner:CHINA ACADEMY OF SPACE TECHNOLOGY
Dynamic elastic scaling method based on micro-service load
PendingCN111459681AUnderstand the purposeLearn about featuresResource allocationSoftware simulation/interpretation/emulationComputational scienceAutoscaling
The invention discloses a dynamic elastic scaling method based on a micro-service load, relates to the field of micro-services, and aims to monitor CPU, memory and time indexes according to a pre-configured scaling strategy, automatically trigger scaling behaviors and dynamically start / stop micro-service instances according to elastic resource conditions of a platform. The elastic expansion rule is more specific, the specific triggering rule is configured in combination with the actual service, automatic triggering and horizontal and vertical expansion are supported, and the purpose of automatic elastic expansion is achieved.
Owner:上海熙菱信息技术有限公司
Device for measuring dynamic elasticity modulus of soft deadening felt
PendingCN111678989ARealize measurementReduce mistakesAnalysing solids using sonic/ultrasonic/infrasonic wavesVertical vibrationMechanical engineering
The invention relates to a device for measuring dynamic elastic characteristics of a soft deadening felt. The device comprises an upper vibration mass block, a lower vibration bottom plate, a vibration excitation table, an upper acceleration sensor, a lower acceleration sensor and a measurement module, wherein the lower vibration bottom plate is rigidly connected to a vibration head of the vibration excitation table; a sample block to be measured is clamped between the upper vibration mass block and the lower vibration bottom plate, the upper acceleration sensor is rigidly installed on the upper vibration mass block, the lower acceleration sensor is rigidly installed on the lower vibration bottom plate, the input end of the measurement module is connected to the upper acceleration sensor and the lower acceleration sensor, and the output end of the measurement module is connected to the vibration excitation table. The measurement module controls the vibration excitation table to generate vertical vibration of different frequencies, receives data collected by the upper acceleration sensor and the lower acceleration sensor, and obtains the dynamic elasticity modulus and the damping coefficient based on the data collected by the upper acceleration sensor and the lower acceleration sensor. Compared with the prior art, the dynamic elasticity modulus and the damping coefficient of thesoft deadening felt can be measured.
Owner:SHANGHAI XINAN CAR DEADENING FELT
Bendable articles including adhesive layer with a dynamic elastic modulus
PendingUS20220282130A1Maintaining bendabilityGood energy dissipationDigital data processing detailsSynthetic resin layered productsDisplay deviceDynamic elastic modulus
Articles including a substrate, a cover glass layer disposed over a top surface of the substrate, and an adhesive layer having a dynamic elastic modulus disposed between a bottom surface of the cover glass layer and the top surface of the substrate. The cover glass layer may have a thickness in the range of 1 micron to 200 microns. The dynamic elastic modulus of the adhesive layer may include a first elastic modulus in the range of 10 kPa to 1000 kPa measured at a stress frequency in the range of 0 Hertz to 5 Hertz and a temperature of 23 degrees C., and a second elastic modulus of 500 MPa or more measured at a stress frequency in the range of 10 Hertz to 1000 Hertz and a temperature of 23 degrees C. The adhesive layer may be optically transparent. The articles may be bendable electronic display devices or bendable electronic display device modules.
Owner:CORNING INC
High-efficiency damping backing plate
The invention relates to a high-efficiency damping backing plate which a unique structure and two bearing modes include a basic bearing mode and an additional bearing mode. When under dynamic loading, the high-efficiency damping backing plate adopts the basic bearing mode to bear, uses comprehensive effects of stretching, shearing, deflecting and appropriate compression deformation to provide elasticity and has low natural frequency, low dynamic / static stiffness ratio, appropriate damping ratio and good dynamic elasticity. Under accidental circumstances, when dynamic vertical load increases suddenly and exceeds the safety threshold, the high-efficiency damping backing plate automatically adopts the additional bearing mode to bear, and the stiffness of supporting points increases automatically and nonlinearly to be 2 to 3 times of the original stiffness, thus the safety reliability is improved. The high-efficiency damping backing plate can be used for the straight section and the bended section of the rail for transportation.
Owner:BEIJING ZKYT TECH CO LTD
A Vibration-Based Nondestructive Testing Method for Mechanical Parameters of I-beams
ActiveCN106769560BAvoid damageRealize non-destructive testingMaterial strength using repeated/pulsating forcesNon destructiveShear modulus
The invention relates to a vibration based I-beam mechanical parameter nondestructive testing method. The corresponding relations between the elasticity modulus and the shear modulus and the geometric dimension, the bend frequency and the shear modulus of an I-beam are established through the empirical formula. Finally, the measured first-stage flexural resonance frequency ff and first-stage shear resonance frequency ft and the geometric dimension of the I-beam are taken as an input of the empirical formula, and the dynamic elasticity modulus E and the dynamic shear modulus G of the I-beam are obtained through calculation. The provided I-beam mechanical parameter nondestructive testing method overcomes the limit that an engineering material needs to be made into a standard sample when the mechanical parameter of the material is tested, overcomes the influences of the machining process on the mechanical parameter of the material, simplifies the testing steps of the traditional testing method and the damage on the structure in the testing process, and is suitable for the practical application condition of the I-beam; the flexural resonance frequency and the shear resonance frequency of the I-beam are recognized, and the dynamic mechanical parameter of the I-beam is efficiently, accurately and nondestructively tested.
Owner:WENZHOU UNIVERSITY
Impact resistant electro-optical module and electronic device
ActiveUS8264648B2Improve impact resistanceThin thicknessLiquid crystal compositionsThin material handlingOptical ModuleEngineering
Owner:JAPAN DISPLAY WEST
Flat wire type dynamic elasticity electric conducting system
InactiveCN106989367AIncrease contactElectric circuit arrangementsLight fasteningsEngineeringConducting system
The invention discloses a flat wire type dynamic elasticity electric conducting system. The flat wire type dynamic elasticity electric conducting system comprises a cylinder, a tail cover provided with an accommodating cavity, a switch bracket and a flat wire spring, wherein the cylinder is provided with first external threads; the tail cover is provided with first internal threads, and the first internal threads are close to the opening end of the tail cover; the switch bracket is arranged in the accommodating cavity, and the switch bracket is in contact with the inner wall of the tail cover; the first external threads of the cylinder extend into the tail cover and are in thread connection with the tail cover; and one end of the flat wire spring is pressed against the switch bracket, and the other end of the flat wire spring is pressed against the end surface of the cylinder. The flat wire type dynamic elasticity electric conducting system has the advantages that in the process of tightening or loosening the cylinder and the tail cover, as the switch bracket comes into great contact with the end surface of the cylinder under the elasticity action of the flat wire spring, the problem that the contact of the switch bracket and the end surface of the cylinder is poor due to the too-large rotating stroke of the cylinder and the tail cover can be solved.
Owner:XENO CO SHANGLUO LTD
System and method for controlling communication middleware among internal multi-class computing units
ActiveCN110096374ASolve the problem of high computing delayReduce main memory usageInterprogram communicationEnergy efficient computingPerformance computingInteraction interface
The invention belongs to the technical field of heterogeneous high-performance computing, and discloses a system and method for controlling the communication middleware among internal multi-class computing units. The computing task is matched with the computing units and the communication middleware according to the the business characteristics; and the middleware is specially used for solving theproblems that the data interaction interfaces among the computing units of various different structures in a heterogeneous system are inconsistent and the DMA cannot be configured for part of the computing units. The middleware can be used for replacing the part of computing units to configure DMA, and the DMA is uniformly used among various heterogeneous computing units to construct an intercommunication link, so that the data interaction is directly completed without the main memory of the system, a large number of memory operations are reduced, and the problem that a heterogeneous computing system is higher in computing time delay is solved, and the heterogeneous computing system which is low in time delay and dynamically and elastically adjusted is provided for a user so as to meet the high-performance computing requirements in the fields of spaceflight, medical treatment, e-commerce, artificial intelligence, entertainment and the like.
Owner:XIDIAN UNIV +1
Software-Defined Network Controller Supporting Dynamic Elastic Resource Scheduling
The present invention proposes a software-defined network controller that supports dynamic elastic resource scheduling, including: a resource virtualization layer, used to obtain network resources from multiple underlying devices, and virtualize the network resources to obtain virtualized network resources; The core control layer is used to control the upper-layer applications to obtain virtualized network resources from the resource virtualization layer, and the core control layer is respectively connected with the resource virtualization layer and the upper-layer applications. According to the software-defined network controller of the embodiment of the present invention, the core control layer monitors the data interaction between the upper layer application and the resource virtual layer, thereby improving the utilization rate of network resources and realizing the dynamic and flexible scheduling of network resources by the application layer.
Owner:TSINGHUA UNIV
A Coupled Calculation Method for Thermo-Aeroelastic Properties of Hypersonic Vehicles
ActiveCN107368661BSmall amount of calculationRealize thermo-aeroelastic analysisDesign optimisation/simulationSpecial data processing applicationsElastic analysisEngineering
Owner:CALCULATION AERODYNAMICS INST CHINA AERODYNAMICS RES & DEV CENT
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