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  2. Spiral model - Wikipedia

    en.wikipedia.org/wiki/Spiral_model

    The spiral model is a risk-driven software development process model. Based on the unique risk patterns of a given project, the spiral model guides a team to adopt elements of one or more process models, such as incremental , waterfall , or evolutionary prototyping .

  3. List of spirals - Wikipedia

    en.wikipedia.org/wiki/List_of_spirals

    For <, spiral-ring pattern; =, regular spiral; >, loose spiral. R is the distance of spiral starting point (0, R) to the center. R is the distance of spiral starting point (0, R) to the center. The calculated x and y have to be rotated backward by ( − θ {\displaystyle -\theta } ) for plotting.

  4. Rapid application development - Wikipedia

    en.wikipedia.org/wiki/Rapid_application_development

    The first such RAD alternative was developed by Barry Boehm and was known as the spiral model. Boehm and other subsequent RAD approaches emphasized developing prototypes as well as or instead of rigorous design specifications. Prototypes had several advantages over traditional specifications: Risk reduction.

  5. Talk:Spiral model - Wikipedia

    en.wikipedia.org/wiki/Talk:Spiral_model

    2 English diagram. 3 comments. 3 spiral model example. 4 Not just in software. 1 comment. 5 But INTENDED for software. 1 comment. 6 Peer review requested for ...

  6. Logarithmic spiral - Wikipedia

    en.wikipedia.org/wiki/Logarithmic_spiral

    Logarithmic spiral bevel gears are a type of spiral bevel gear whose gear tooth centerline is a logarithmic spiral. A logarithmic spiral has the advantage of providing equal angles between the tooth centerline and the radial lines, which gives the meshing transmission more stability.

  7. Object-oriented analysis and design - Wikipedia

    en.wikipedia.org/wiki/Object-oriented_analysis...

    Visual model diagrams can be more understandable and can allow users and stakeholders to give developers feedback on the appropriate requirements and structure of the system. A key goal of the object-oriented approach is to decrease the "semantic gap" between the system and the real world, and to have the system be constructed using terminology ...

  8. Wheel and spoke model - Wikipedia

    en.wikipedia.org/wiki/Wheel_and_spoke_model

    It is essentially a modification of the spiral model that is designed to work with smaller initial teams, which then scale upwards and build value faster. It is best used during the design and prototyping stages of development. It is a bottom-up methodology. The unmodified "wheel and spoke model".

  9. File:Spiral model (Boehm, 1988).svg - Wikipedia

    en.wikipedia.org/wiki/File:Spiral_model_(Boehm...

    derivative work: Spiral_model_(Boehm,_1988).png: Marctroy derivative work: Conan ( talk ) This is a retouched picture , which means that it has been digitally altered from its original version.