GUI Module Research Articles

An exploration on the numerical investigation of 3D laminated composites with carbon fibre tow modelling using SwiftComp module in ABAQUS

The modelling and analysis of composites, at the microscale and macroscale levels, saw a tremendous shift due to the growth of the computational power and mathematical representation of the reinforcement. This study was conducted to assess the importance of modelling fibre tow in the composite at the macroscale level compared to the homogenisation of a microscale unit cell model using SwiftComp GUI in ABAQUS. One microscale unit cell model and three macroscale laminates (CLCCA, CLSwC, and UT) models were created. The microscale model was subjected to homogenisation. The models were then subjected to tensile and shear loading in ABAQUS. The value of young's modulus in the longitudinal and transverse direction by SwiftComp was 12.91% and 5.41%, respectively higher than that by the CCA method. In contrast, Poisson's ratio was underpredicted by 2.35%. Due to the over-prediction of elastic moduli by SwiftComp GUI module, it is not recommended to homogenize the unit cell. The difference in the young's modulus and shear modulus is less than 7% for the UT model compared with the CLCCA model. In conclusion, the CL modelling approach with numerical methods such as CCA is favourable as it provides acceptable results with relative ease of meshing, application of periodic boundary conditions, and lower computational time. On the other hand, the UT model can study the fibre–matrix behaviour by specifying the contact property between the fibre and matrix instead of assuming the bond to be perfect. Hence, it is favourable to model tow and matrix separately when reviewing the failure mechanism on any unbalanced or unsymmetrical laminated composite.

Developing a Simulation Visualizing the Impact of Meiosis on Diversity

Computer simulations provide students the opportunity to observe and interact in realistic biological experiences. This designed simulation, “The Trio of Genetic Diversity,” made it easier for students to grasp the reasons for genetic diversity. During and after meiosis, the three processes (crossing over, independent assortment, and random fertilization) that occur are the primary sources of diversity. A separate module was designed for each of the three processes and presented in the order of occurrence. It will take three to five minutes for student to try each module. The simulation in this study was developed using Java programming language in the NetBeans IDE 8.2 development environment, along with the Swing GUI module. Java was used in the simulation so that it can be run easily in almost every operating system; furthermore, the interface is included in the Java library. The NetBeans IDE 8.2 software allowed the simulations to show the range of possibilities for genetic diversity. Chromosome images were created and converted into a transparent structure, and the coding process was started. The images and button actions in the simulation interface were carefully designed so that the user could understand them easily. This article introduces the simulation program and its features.

Premature atherosclerotic cardiovascular disease: association of clinical factors with form of atherosclerosis onset

Abstract Background The cardiovascular death rate significantly declined last decades. But premature atherosclerosis burden remains an unresolved problem. Purpose The study aimed to assess the association of clinical factors with types of premature atherosclerosis onset. Methods Date of 702 patients (pts) (523 men and 179 women) with premature atherosclerosis (men ≤55 (48.6±6.2), women ≤60 (52.7±7.0) years of age) were analyzed with decision tree method using SPSS 23.0 program with the Python GUI module. Clinical and instrumental variables (n=109) were used. The test sample was formed by the cross-validation method. Results Myocardial infarction at the onset of atherosclerosis (n=542, 77.2%) was associated with the presence of peripheral atherosclerosis (1st order node, p<0.0001, F=93.174). The 2nd order node was a uric acid level (p<0.0001, F=26.493) in pts without peripheral atherosclerosis. In pts with uric acid level, less than 225 mmol/L-the left ventricle posterior wall thickness more than 10 mm was a 3d order node (p<0.0001, F=30.143). Area under the ROC-curve 0.916, p=0.011. Multivessel lesion according to coronary angiography data (102 patients) was associated with family history of cardiovascular disease (p=0.001, F=13.238), the area under the ROC-curve was 0.667, p=0.041. For pts. with peripheral atherosclerosis (n=66, 9,4%) the aortic root diameter obtained by an echo was the 1st order node (p<0.0001, F=36.057). In pts with aortic root diameter over 27 mm, a 2nd order node was creatinine level above 90 mmol/L (p=0.036, F=9.945) and in pts with a smaller diameter of aortic root was the history of hypertension emergency (p=0.001, F=13.897). Area under the ROC-curve 0.676, p=0.02. For pts. with ischemic stroke (n=26, 3,7%) as atherosclerosis onset 1st order node was brachiocephalic atherosclerosis lesion (p<0.0001, F=30.259). Among them, untarget BP level was 2nd order node (p=0.033, F=4.958). For pts without atherosclerosis age over 46.7 yrs was a 2nd order node (p<0.0001, F=24.515), and for pts younger than 46.7 yrs admission glucose higher than 11.06 mmol/L was a 3rd order node (p=0.026, F=12.382). This model had high predictive accuracy (area under the ROC-curve 0.963, p<0.0001). Conclusion Thus multiple clinical variants of premature atherosclerotic cardiovascular disease onset appeal to develop an individualized approach to early diagnosis and management of this kind of patient. Funding Acknowledgement Type of funding sources: None.

Visual analysis of electrical signals

The sinusoidal spectrum of electrical signals is analyzed by using The Fourier series method and the Fast Fourier change method. Amplitude-frequency characteristic diagram and phase-frequency characteristic diagram are obtained respectively. The amplitude-frequency characteristic and the phase-frequency characteristic are superimposed in time domain and compared with the original signal. The analysis uses fast Fourier transform to analyze the minimum sampling frequency of electrical signals. The GUI module in MATLAB is used for programming, which makes the experimental parameters easy to modify. A more general conclusion can be drawn. Through experiments, we find that when the sampling frequency is more than twice the cut-off frequency of the original periodic signal, the fast Fourier transform method can better restore the original signal. When the sampling frequency is small, the signal will be seriously distorted. The amplitude-frequency and phase-frequency characteristics obtained by Fourier series can better restore the original signal when the harmonic frequency is large, but it is different from the original signal to some extent.

Parametric design and surface topography analysis of turbine blade processing by turn-milling based on CAM

The design and manufacturing level of the blade largely affects the performance of the aero engine. In this paper, the blade is taken as the research object, focusing on its design and processing. On the one hand, based on the mathematical method of fifth-order polynomial, a GUI module for parameterized design of different blade profiles is established. On the other hand, in CAM environment, the procedure division of turn-milling the blade, the generation of tool path, the optimization of NC program and the simulation of machining process are completed. On this basis, the experiment of machining the part by turn-milling is finished. In addition, in order to study the quality of the machined surface, a mathematical model for predicting the surface topography of turn-milling blade is established based on the surface unfolding and meshing of the workpiece. Then, the effects of the number of cutter teeth, tool rotation speed, feed rate, and the cutter radius on surface topography are analyzed qualitatively. Besides, the maximum surface residual height is used as an index to quantitatively compare the influence of different parameters on surface topography. Finally, the simulation reliability is verified by comparing with the experimental surface.

G4Linac_MT, an easy-to-use Geant4-based code for modeling medical linear accelerator

In this paper, we present G4Linac_MT, a simple-to-use open source code developed to facilitate the use of the Geant4 C++ toolkit for the simulation of a medical linear accelerator (linac). This multithreaded code encapsulates several well-developed C++ modules serving to handle the complexity of coding geometry and material, to easy plot histograms of various physics quantities, to auto-merge output data created by all working threads into a single file, to well-estimate the number of simulated primary particles required to achieve data with a statistical uncertainty < 1% and also the CPU time required for, to use a set of variance reduction techniques as bremsstrahlung splitting, particle recycling, particle rotational splitting and stacking mechanism, to use a new format of phase space file based on HDF5-C++ scientific library which has been developed specially for this code. In order to minimize human effort required by Geant4 coding and validating of a linac, the code comes with a Java-based GUI application which contains separated GUI modules for linac head simulation, dose calculation, data analysis, geometry modeling and gamma index calculation. Results from Monte Carlo simulations of linac head of a Saturne 43 12 MV configuring a 10 × 10 cm2 radiation field are showed in order to demonstrate the G4Linac_MT capabilities. Thus, comparisons between simulated dosimetric functions and measured ones in a water phantom have been established by using a gamma index method and the results show a good agreement within 2.6%-1 mm accuracy. In addition, after optimizing variance reduction techniques, the overall CPU time spent by this multithreaded code has been decreased by a factor of 7.

Design of Automatic Mildew Image Detection System for Corn Grain

Using image processing technology, designed a corn grain mildew fast detection system. It could discriminate the mildew grain on the basis of the grain surface features, such as color features, morphological characteristics, and texture characteristics. Equipment mainly included three parts: mechanical transmission device, the image collection system, image processing software. By using the theory of corn seeder for reference, corn seed metering device discharged corn grain in uniform along the conveyor belt. Device adopted run 3 seconds stop 1 second cycle works. During the suspended period, completed image information acquisition, transmission and processing, by CCD cameras, lenses, camera obscura, computer, gigabit ethernet cable. It can avoid the overlap of grains, which could measure more grain at the same time. Using MATLAB GUI module to program image processing software, for automatic processing of corn grain sample figure. Maize kernels would be detected which occur mouldy, and then doing statistics of the mildew rate, detection accuracy could reach 90%.

The Research and Development of CNC Diamond Faceting Machine

Diamond faceting is an important process of precious metal jewelry.Now it mainly rely on traditional processing methods to operate manual processing, but the pattern processed by manual is poor quality, consistency, and it also requires workers to have higher operating techniques and experience. What’s more, after long continuous work, workers’ body will cause some damage. This article develops a five-axis CNC diamond faceting machine based on Solidworks platform, introduces the design of each axis of the machine and describes the research of the tool path algorithm on the surface of jewelry and completes the parametric equations’ derivation of space curve in the surface of ellipsoid, finally use MATLAB GUI module to write the tool path generation software.

St-Analyzer: A Web-Based User Interface for Simulation Trajectory Analysis

Molecular dynamics (MD) simulation and its analysis is one of the key tools to provide deeper insights into biological systems at the molecular level, and the results from MD simulation often make critical impacts on defining in-silico models for biological phenomena and validating hypothesis. Recent advances in computing resources and MD simulators significantly accelerate the MD simulation time and thus increase the amount of trajectory data. However, analyzing MD trajectories is still time consuming and often a difficult task even though many laboratories routinely perform MD simulations. ST-analyzer, http://im.bioinformatics.ku.edu/st-analyzer, is a standalone GUI toolset to perform various trajectory analyses with commonly used built-in analysis modules. ST-analyzer has several outstanding features compared to other existing analysis tools: i) handling various formats of trajectory files from CHARMM, NAMD, GROMACS, and Amber, ii) intuitive web-based GUI environment - minimizing administrative load and reducing users' burdens from adapting new software environments, iii) platform independent design scheme - works with any existing OS, iv) easily integrates into job queuing systems - providing options of batch processing either on the cluster or in interactive mode, and v) providing independence between foreground GUI and background modules - makes it easier to add personal modules or to recycle/integrate pre-existing scripts utilizing other analysis tools. The current ST-analyzer contains nine main modules and 18 sub-processors including density profile, lipid deuterium order parameters, lipid surface area, lipid hydrophobic thickness, and more.

SU-E-T-46: M.D. Anderson Prostate Seed Implant Dose Calculator

Purpose: To develop a prostate seed implant dose calculator for conducting independent verification of Variseed (Varian Medical, Palo Alto, CA) brachytherapy treatment planning system (TPS). Methods: AAPM TG 43 based formalism was used in our method to compute point doses for prostate implant seeds commissioned in Variseed 8.0®. We have investigated four different isotope seeds, I125 (Model 6711, 9011), Cs131 (Model Cs-1) and Pd103 (Model 200) in this work. Three distinct Methods: point source model using anisotropy factors, line source model using anisotropy factors, and line source model using anisotropy functions were used to develop in-house dose calculator software. The dose calculator accounts for source strength, geometric dose fall off, attenuation, scatter and time, but does not consider any heterogeneous corrections. Source data parameters obtained from customer technical bulletins were input into both the Variseed TPS and our calculator. Spline and non oscillatory, seed specific fit functions to parameterize dose distribution for these seeds was evaluated for our software. These functions were then imported into the dose calculator to compute point doses as a function of radial distance from various seeds. The functions developed for our modeling were selectively chosen to account for self absorption from the seed's housing. The doses obtained by our secondary dose verification software were then compared against Variseed8.0® computed doses to clinically relevant radial distances. The dose calculator software has been packaged into a GUI module and is currently being tested for its robustness. Results: A good agreement (within 3% for 5 cm radial distance) for the isotopes studied is observed between the TPS and our calculator. Conclusions: We have validated Variseed computed point doses by using our dose calculator. Within all uncertainties as described within TG-43, our results have been found to be in good agreement between our system and TPS.

Software Development Process on Proc Calis

The paper aimed to construct a GUI platform for PROC CALIS by developing scripts integrating a GUI program with SAS Base. PROC CALIS, a module estimating models via Structural Equation Modeling (SEM), is a procedure in SAS Base. As SAS Base is still very much script based, the research attempts to alleviate the script based module to a GUI module. Rapid Application Development (RAD) methodology was deployed to allow a structured, robust and faster prototyping application development. Findings revealed that the prototype was successful integrating the GUI module with SAS Base. The results output panel was also improved to allow a less cluttered display of results.

A Simple GUI-based Sequencing Format Conversion Tool for the Three NGS Platforms

To allow for a quick conversion of the proprietary sequence data from various sequencing platforms, sequence format conversion toolkits are required that can be easily integrated into workflow systems. In this respect, a format conversion tool, as well as quality conversion tool would be the minimum requirements to integrate reads from different platforms. We have developed the Pyrus NGS Sequencing Format Converter, a simple software toolkit which allows to convert three kinds of Next Generation Sequencing reads, into commonly used fasta or fastq formats. The converter modules are all implemented, uniformly, in Java GUI modules that can be integrated in software applications for displaying the data content in the same format. Availability: You may download the conversion module from Sourceforge.net (https://sourceforge.net/projects/ ngssequencealig/files/PyrusNGSSequencingFormatConverter. zip/download).

J2dpathway: A Global Metabolic Pathway Viewer with Node-Abstracting Features

Abstract The static approach of representing metabolic pathway diagrams offers no flexibility. Thus, many systems adopt automatic graph layout techniques to visualize the topo-logical architecture of pathways. There are weaknesses, however, because automatically drawn figures are gen-erally difficult to understand. The problem becomes even more serious when we attempt to visualize all of the information in a single, big picture, which usually re-sults in a confusing diagram. To provide a partial sol-ution to this thorny issue, we propose J2dpathway, a metabolic pathway atlas viewer that has node-abstract-ing features. Availability: J2dpathway is a public domain software program. You may download the source code (http:// www.sourceforge.net/projects/j2dpathway) for GUI mod-ules, or the executable file (http://dream.ewha.ac.kr/ ~plumbum5/). Updates to this program will be available at frequent intervals.Keywords: drawing algorithm, edge crossings, metabolic pathway, scale-free network Summary

An automated modelling approach for dynamic performance evaluation of mechatronic multibody systems

An automated modelling approach of mechatronic multibody systems is presented in this paper. The proposed approach uses some object-oriented GUI modules to automatically generate the dynamic equations for different domains, solve them with numerical methods to obtain approximate solutions, and then evaluate the dynamic performances of the systems. By systematically defining an elementary linear graph and its general rules, the modules of mechanical parts and kinematic pairs can be modelled independently of special systems by the extensible elementary linear graph (EELG) method, and the member's dynamic equations can be derived by topology matrices operation. Some major advantages of this procedure are as follows: the combinations of mechanical components could be dealt with as an integrated member and directly assembled with other modules, the topology structure of individual members are described by elementary cutset and circuit matrices derived from the elementary linear graph, rotation vector is used to express angular variables for analysing rotation and translation with same linear graph; the function vertices, opening edges, and self-closed edges are first introduced to elementary linear graph of kinematic pairs modelling, multiport for special mechanical members and different ports for various energy domains are defined, and relation equations linking the ports are given for interdisciplinary domains, so that the modules could have the characteristics of reapplication and extensibility. For two typical cases, the approach carried out on a Modelica/Dymola software platform is proved feasible by comparing the results using the EELG method with those of the conventional approach.

Development of the Power Restoration Training Simulator for Jeju Network

This paper presents an operator training simulator for power system restoration against massive blackout. The system is designed especially focused on the generality and convenient setting up for initial condition of simulation. The former is accomplished by using power flow calculation methodology, and PSS/E data is used to set up the initial state for easy setting. The proposed simulator consists of three major components-a power flow(PF), a data conversion(CONV), and, a GUI module. The PF module calculates power flow, and then checks over-voltages of buses and overloads of lines. The CONV module composes a Y-Bus array and a database at each restoration action. The initial Y-Bus array is composed from PSS/E data. A user friendly GUI module is developed including a graphic editor and a built-in operation manual. The maximum processing time for one step operation is 15 seconds, which is adequate for training purpose.

A construction simulation system (COMSim) with object‐oriented modeling elements

Interest in the application of computer simulation in construction has been growing since the introduction of the CYCLONE (CYCLic Operation NEtwork) methodology in 1973. The CYCLONE methodology has become well established and its six standard modeling elements provide a simple, straightforward tool for the study of various construction operations. Many construction‐specific simulation systems employ CYCLONE or CYCLONE‐like symbols for system modeling. Nevertheless, CYCLONE's simplicity limits its functionality in modeling real world operations. This drawback complicates system modeling and results in ineffective simulations. This study takes advantage of recent developments in object‐oriented design to formulate a new simulation system, COMSim (Construction Object‐Modeling Simulation), to enhance simulation capability. The idea is to retain the simplicity of construction model building blocks, while enhancing their functionality by introducing object‐oriented design. COMSim includes the object module, the simulation module, the GUI module, the DSS module for task duration, and the construction resource database. Case studies of an earthmoving and a material hoist lifting operation are conducted for system validation. Results and findings are reported.

Secure UNIX socket-based controlling system for high-throughput protein crystallography experiments.

A control system for high-throughput protein crystallography experiments has been developed based on a multilevel secure (SSL v2/v3) UNIX socket under the Linux operating system. Main features of protein crystallography experiments (purification, crystallization, loop preparation, data collecting, data processing) are dealt with by the software. All information necessary to perform protein crystallography experiments is stored (except raw X-ray data, that are stored in Network File Server) in a relational database (MySQL). The system consists of several servers and clients. TCP/IP secure UNIX sockets with four predefined behaviors [(a) listening to a request followed by a reply, (b) sending a request and waiting for a reply, (c) listening to a broadcast message, and (d) sending a broadcast message] support communications between all servers and clients allowing one to control experiments, view data, edit experimental conditions and perform data processing remotely. The usage of the interface software is well suited for developing well organized control software with a hierarchical structure of different software units (Gaponov et al., 1998), which will pass and receive different types of information. All communication is divided into two parts: low and top levels. Large and complicated control tasks are split into several smaller ones, which can be processed by control clients independently. For communicating with experimental equipment (beamline optical elements, robots, and specialized experimental equipment etc.), the STARS server, developed at the Photon Factory, is used (Kosuge et al., 2002). The STARS server allows any application with an open socket to be connected with any other clients that control experimental equipment. Majority of the source code is written in C/C++. GUI modules of the system were built mainly using Glade user interface builder for GTK+ and Gnome under Red Hat Linux 7.1 operating system.