Stabnet the software for stability measurement metrohm. In large software projects, software quality prediction is an important aspect of the development cycle to. Definition of software metrics given by paul goodman. In its 30 years of operation, napa has become a global leader in software, services and data analysis for the maritime industry.
View matti raskis profile on linkedin, the worlds largest professional community. Testing and simplicity extend the life span of software by allowing it be changed to met the customers requirements. In large software projects, software quality prediction is an important aspect of the development cycle to help focus quality assurance efforts on the modules most likely to contain faults. Dec 26, 2016 software metrics have become an essential part of software development because of their importance in estimating cost, effort, and time during the development phase. Dec 11, 20 bmt defense applies napa software in new vessel design. See the complete profile on linkedin and discover mattis. Napa, tammasaarenkatu 3 6th floor, 00180 helsinki, finland. Software metrics is a measurement based technique which is applied to processes, products and services to supply engineering and management information and working on the information. The 3d product model applicable in all napa software solutions forms the central pillar of the accuracy and speed at which. Consulting expertise is available to boost the use of napa software and customers design processes. Napa capabilities span over hydrostatics and stability, hull form design and hydrodynamics analyses and structural design.
Software metrics california state university, northridge. This metric is an indicator of the packages balance between abstractness and stability. Rules for classification and construction vi additional. Ideal packages are either completely abstract and stable i0, a1 or completely concrete and unstable i1, a0. Basic reliability metrics reliability of the software product. Our 3d modeling and design functionalities are the most powerful in the industry, making design process the best it can be.
I dont think it should vary much depending on type of app thus my suggestions are. Order orings online quick and easy since 2007 from the oring store llc. Mar 21, 2008 it seems to me that using bundled software usually means using other features of the business to maximize ease of use. Most lims software take months, if not years, to install and customize.
Click here to place your order through digibuys secure server. It seems the most used metric to decide which stage a package belongs to is the number of issues. It is developed and sold by herbertabs software solutions, llc. What are the metrics to measure an enterprise applications. C005 operation of napa stability and safety solutions for cruise. An oil seal normally consists of three basic components. Reliability metrics, software testing metrics one stop. Napa ltd founded in 1989 is an independent software house supplying the. Home forums auto and truck shop management software napa tracs system. When compressed between mating surfaces, an oring blocks the passage of liquids or gases. The napa steel software is used primarily in the early development phase. The sealing element the nitrile rubber part, the metal case, and the spring. Measuring the software reliability is a difficult problem.
Pavement thickness design prior to the 1986 aashto design guide was. Ship stability in practice university of strathclyde. From its beginnings as a small business unit at the wartsila shipyard in finland in the 1970s, to becoming a truly global company with nearly 200 employees in ten countries around the world, napas growth has been a testament to focus, quality and expertise. Many metrics have been proposed to assess different software quality attributes, including stability. You can use a control chart to monitor the stability of a measurement process by measuring a master or control part on the same system over time. Lna ensures that all of the design and management team are always up to date with the latest requirements. Software metrics have become an essential part of software development because of their importance in estimating cost, effort, and time during the development phase. The russian maritime register of shipping rs is to use napa software, the classification society and the finnish software house have announced. A package squarely on the main sequence is optimally balanced with respect to its abstractness and stability. Dec 15, 2012 a comparative study on the stability of software metric selection techniques abstract. Probabilistic damage stability calculation performance jan mattsson napa user meeting 2018 duration. Measuring software maintainability is nontrivial and there exists no single metric to measure it accurately.
A comparative study on the stability of software metric selection techniques abstract. An oring is a solidrubber seal shaped like a dough nut or torus. A number of software stability metrics have been proposed at the class, architecture, and system levels. And a software metric tool typically implements software metrics for use in evaluating the quality of the parts of a. Guide to asign windmodel to damage stability in napa 2009. Rs to use napa software digital ship the world leader in. Requirement stability is a kind of metric, which helps in indicating the no. Classnk activities related to stability in collaboration with napa. Napas software for stability assessment is the defacto standard in the industry used by all major shipyards and classification societies globally.
But the best approach to assure software reliability is to develop a high quality software through all of the stages of software life cycle. Power system simulation for engineers pss e version 30. Boat design software with good stability analysis boat. Metric is a standard unit of measurement that quantifies results. Free shipping and returns on softwalk napa flat women at nordstrom. It seems the most used metric to decide which stage a package belongs to is the number of issues reported by its users per unit of time be it a week, a month, or a quarter. Software stability can be obtained by testing and emphasizing simplicity. Stability software should be approved, but hardware approval is not mandatory and can be covered by national standards. Quantifying software reliability and readiness asq briefing v2. Power system simulation for engineers psse version 30. First released in 1979, cargomax was one of the first computerized systems for planning and evaluating ship loading. The size estimate and other factors are used to derive effort and schedule before and during.
Honda 08c35a141l01 honda pro gn4 motor oil, 10w40, 1 gal. If you are a current customer and have a support request, please send us an email directly through your companys email system. Maintainability is a multifaceted quality attribute each of the facets must be analyzed to. In order for a structure to be sound and secure, the foundation, roof, and walls must be strong and wind resistant. Napa provides professional, efficient and valued technical support customer service for ship design customers. Napa secures reliable software solutions in the safety critical marine industry.
Contact scientek software please fill out the form below and we will contact you shortly. Since a lot has changed since the article was first. A glossy patent cap toe details a supple leather flat outfitted with a cushy memoryfoam footbed and arch support. The software readiness index defines and measures the growth of the software system along the following five dimensions. Honesty, openness and keeping our promises create a trusting relationship with our clients, colleagues. Classnk activities related to stability in collaboration with napa 89. Stability analysis is necessary particularly for structural components subjected to compression and bending.
It represents the total variation in measurements of the same part measured over time. Aug 19, 2014 i dont think it should vary much depending on type of app thus my suggestions are. Schematic of stabilometer test setup for measuring rvalue yoder and witczak, 1975. A software metric is a mapping on a set of software artifacts to the reals. Napa provides efficient and easy 3d structural design tools for reliable weight calculation, class approval drawings and fe meshing. Reference simulations were made with napa software and from the reference simulations. With napa you can be sure that the relevant regulations are supported and that the results are generated by a proven and accepted calculation engine. Not being able to meet a customer requirement, or be able to make changes to the software without causing defects, is one way to end the life of a program. Imo regulations including solas, stockholm agreement, hsc code, national and regional agreements present a complex picture of stability requirements. Maintainability is a multifaceted quality attribute each of the facets must be analyzed to objectively measure it. This course is designed for nautical officers to provide knowledge and skills to operate, supervise and monitor napa software. Our previous stability software was outdated due to old technology and was not user friendly.
Measurement stability is the change in bias over time. Napa international france was established over fifteen years ago by former executives of the industrial automation departments of texas instruments and siemens. Developers must be experienced and highly trained, not only in traditional software development techniques, but also in mathematics, logic, and special tools. The size estimate and other factors are used to derive effort and schedule before and during a project. Napa s software for stability assessment is the defacto standard in the industry used by all major shipyards and classification societies globally. Ssr is an abbreviation for software stability ratings as they are defined in this paper. If you opt for this, all methods and determinations are stored centrally on the stabnet server, and you benefit from all the perks that central data management has. Napa provides intelligent solutions for maritime industry. Probabilistic damage stability calculations are time demanding and are conducted at a late stage of the design. Headquartered in finland, napa employs 180 people in the fields of naval architecture, shipping and information.
Get deals on automotive parts, truck parts and more. Rules for classification and construction vi additional rules. Since a lot has changed since the article was first published, were noting whats still of value as well as bringing in new information. Their team helps owners choose the right solution to fit their needs, and ensures they take advantage of the features that. Pdf probabilistic analysis of damage stability of ships. Various software package metrics are used in modular programming. A comparative study on the stability of software metric. Effect of flooding sensor arrangement on automatic. Issn 2348 7968 software reliability, metrics, reliability. They have been mentioned by robert cecil martin in his 2002 book agile software development. This extensive experience in the industrial automation market leads napa international france to participate in control technology inc.
Download pictures and mp3 files with wallpaper magic screen saver and mp3 grouppie software programs. Napa steel upgrades the initial and basic design for structures by taking the design work from traditional 2d drawings to 3d modeling. Pavement thickness design prior to the 1986 aashto design guide was based on experience, soil classification, and the plastic response of pavement materials to static load, e. Software functionality operational quality known remaining defects. The system is backed by napa, the largest, most dependable automotive aftermarket parts network.
Developers must be experienced and highly trained, not only in traditional software. Software packages usually get a label for stability, like alpha, beta, or stable, next to their version string. If you opt for this, all methods and determinations are stored centrally on the stabnet server, and you benefit from all the perks that central data management has to offer. A metrics suite for uml model stability springerlink. Stability analysis the following provides some stepbystep instructions for using the psse software. What are the metrics to measure an enterprise application. Versatile user training portfolio is available for supporting usage of napa products, including training courses, custom training sessions and elearning. Probabilistic analysis of damage stability of ships based on metamodels. The software manager tracks the actual versus planned software product size.
Software development the cost of this approach can be very high. At napa software development, we uncork potential and bring ideas to fruition, whether you need a new site or a touchup for one thats aged a bit too long. Software functionality operational quality known remaining defects testing scope and stability reliability this principal set of measurables are relatively orthogonal attributes for. Developed by automotive service professionals, napa tracs has been the industry leader in automotive shop software since 1989. Regardless of the type of stability software installed and used for the onboard computer, the stability software shall be subject to the examination and.
Metric used for evaluating the software processes, products and services is termed as software metrics. Reliability 1 number of errors actual or predictedtotal number of lines of executable code. Rs to use napa software digital ship the world leader. Handstitched, shockresistant soles and patented airflow technology add lasting comfort. Software size is a critical input to project planning. The stability portion of the test measures the maximum load supported by the test specimen at a loading rate of 50. Cargomax is a stability and load management software application for marine and offshore industries. Generally, stability analysis is performed in the corresponding addon module for the relevant material for example in rfsteel ec3 for steel members.
If damage stability limit curves are available in the approved stability documentation, type 2 stability software may be installed and used for the onboard computer. The marshall stability and flow test provides the performance prediction measure for the marshall mix design method. Bmt defense applies napa software in new vessel design. Prostep shows progress in napa steel integration prostep. Keywords decision support system, damage stability, cruise ship safety, flooding sensor. One key feature that we use is the ability to trend, chart, and perform poolability determination across multiple studies. This reliability value is calculated for the number of errors during a specified. Using a 3d model for structural design from the beginning of the project has several benefits, from earlier rule compliance. Scan tool diagnostic elite auto scanner kit enhanced obd i. Since it is tailored to pharmaceutical stability testing programs and stability test management, it can. When building a structure it is important to calculate wind load to. Measuring software maintainability quandary peak research. Weve spent over 30 years combining our comprehensive ship design knowledge and extensive technical.1029 1061 771 610 1449 157 880 934 221 661 399 159 108 743 1351 1519 326 967 1111 1429 1516 12 591 1167 729 313 245 512 1625 498 903 84 1156 1132 592 469 749 387 742 779 1184 1382 706