architecture-design-guide

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Summary

Design principles of form, function, sustainability in architecture

SKILL.md

Architecture Design Guide

Overview

Architectural research spans the technical, aesthetic, social, and environmental dimensions of the built environment. From structural engineering and building physics to urban theory and computational design, the discipline demands integration across multiple domains. Academic architecture research increasingly focuses on sustainability, computational methods, and evidence-based design -- areas where rigorous methodology is essential.

This guide covers the core principles that inform architectural research: the interplay of form and function, structural logic, environmental performance, and human experience. It also addresses the computational tools (BIM, parametric design, simulation) that have transformed how architects investigate and validate design decisions.

Whether you are conducting research on building performance, urban morphology, computational design methods, or the social impact of built environments, this guide provides the frameworks and tools to ground your work in established architectural theory and current best practices.

Fundamental Design Principles

The Vitruvian Triad (Updated)

Classical framework (Vitruvius, 1st century BCE):

FIRMITAS (Structural Integrity)
- Structural systems: load paths, material behavior, safety factors
- Building physics: thermal, acoustic, moisture performance
- Durability: service life, maintenance, resilience to hazards
- Modern addition: seismic, wind, and climate resilience

UTILITAS (Function)
- Program: spatial organization, adjacency requirements
- Circulation: movement patterns, wayfinding, accessibility
- Flexibility: adaptability to changing uses over time
- Modern addition: Universal design, inclusive environments

VENUSTAS (Delight)
- Proportion, rhythm, scale, materiality
- Light: natural and artificial, atmosphere, perception
- Cultural meaning: symbolism, context, identity
- Modern addition: Biophilic design, multisensory experience

Contemporary additions:
SUSTAINABILITY (since 1990s)
- Energy performance, carbon footprint, resource efficiency
- Lifecycle assessment, circular economy principles
- Passive strategies, renewable energy integration

SOCIAL RESPONSIBILITY (since 2000s)
- Equity, community engagement, participatory design
- Affordable housing, public space, social infrastructure
- Post-occupancy evaluation, evidence-based design

Phase	Activities	Outputs
Research	Site analysis, precedent study, user research	Brief, program, constraints
Concept	Parti development, diagramming, massing	Concept diagrams, parti models
Schematic Design	Spatial organization, form development	Floor plans, sections, elevations
Design Development	Material selection, systems integration	Detailed drawings, specifications
Documentation	Construction documents, specifications	Building permit package
Post-Occupancy	Performance monitoring, user satisfaction	POE report, design feedback

Primary structural systems and their research applications:

FRAME STRUCTURES
- Material: Steel, reinforced concrete, timber
- Behavior: Moment-resisting frames, braced frames
- Research topics: Connection design, progressive collapse,
  fire resistance, seismic performance

SHELL STRUCTURES
- Types: Vaults, domes, hyperbolic paraboloids
- Behavior: Membrane forces (compression/tension), minimal bending
- Research topics: Form-finding, buckling, computational geometry
- Key method: Thrust network analysis (Block, 2009)

TENSILE STRUCTURES
- Types: Cable-stayed, membrane, tensegrity
- Behavior: Pure tension, anticlastic curvature
- Research topics: Form-finding, wind loading, material durability
- Key method: Dynamic relaxation, force density method

MASS TIMBER
- Types: CLT (cross-laminated timber), glulam, mass plywood
- Behavior: Orthotropic, fire charring provides structural reserve
- Research topics: Tall timber buildings, connections, moisture
- Growing field: embodied carbon advantages over concrete/steel

# Simple structural analysis for research
# Finite element analysis using Python (for educational purposes)

import numpy as np

def analyze_simply_supported_beam(
    length: float,       # meters
    load: float,         # kN/m (uniform distributed load)
    E: float,            # Young's modulus (GPa)
    I: float,            # Moment of inertia (mm^4)
    n_elements: int = 20,
) -> dict:
    """
    Analyze a simply supported beam under uniform load.
    Returns deflection, moment, and shear diagrams.
    """
    x = np.linspace(0, length, n_elements + 1)
    dx = length / n_elements

    # Analytical solutions
    # Maximum moment: wL^2/8
    max_moment = load * length**2 / 8  # kN-m

    # Moment diagram: M(x) = (w*x/2)*(L-x)
    moment = (load * x / 2) * (length - x)

    # Shear diagram: V(x) = w*(L/2 - x)
    shear = load * (length / 2 - x)

    # Deflection: delta(x) = (w*x)/(24*E*I) * (L^3 - 2*L*x^2 + x^3)
    E_pa = E * 1e9  # Convert GPa to Pa
    I_m4 = I * 1e-12  # Convert mm^4 to m^4
    w_nm = load * 1e3  # Convert kN/m to N/m
    deflection = (w_nm * x) / (24 * E_pa * I_m4) * (
        length**3 - 2 * length * x**2 + x**3
    )
    max_deflection = 5 * w_nm * length**4 / (384 * E_pa * I_m4)

    return {
        "x": x,
        "moment_kNm": moment,
        "shear_kN": shear,
        "deflection_mm": deflection * 1000,
        "max_moment_kNm": max_moment,
        "max_deflection_mm": max_deflection * 1000,
        "span_to_deflection_ratio": length / max_deflection if max_deflection > 0 else float("inf"),
    }

Metric	Unit	Benchmark (Office)	Tool
Energy Use Intensity (EUI)	kWh/m2/yr	< 100 (LEED Gold)	EnergyPlus, IES-VE
Embodied carbon	kgCO2e/m2	< 500 (RIBA 2030)	One Click LCA, Tally
Operational carbon	kgCO2e/m2/yr	< 20 (net zero target)	EnergyPlus
Daylight factor	%	> 2% in 80% of area	Radiance, DIVA
Thermal comfort	PMV/PPD	PMV -0.5 to +0.5	CBE Thermal Comfort Tool
Indoor air quality	CO2 ppm	< 800 ppm	CONTAM, CFD

Climate-responsive design strategies:

HOT-ARID CLIMATE
- Thermal mass: Thick walls absorb daytime heat, release at night
- Courtyard typology: Microclimate creation, stack ventilation
- Shading: Deep overhangs, mashrabiya screens
- Evaporative cooling: Water features, vegetation

HOT-HUMID CLIMATE
- Cross ventilation: Openings on opposite facades
- Elevated structures: Raise above ground for air circulation
- Lightweight construction: Low thermal mass (rapid cooling)
- Solar shading: Extended roofs, louvers

COLD CLIMATE
- Compact form: Minimize surface-to-volume ratio
- Superinsulation: R-40+ walls, R-60+ roof, triple glazing
- Solar gain: South-facing glazing (N hemisphere), thermal storage
- Air tightness: < 0.6 ACH50 (Passive House standard)

TEMPERATE CLIMATE
- Mixed-mode: Natural ventilation + mechanical when needed
- Balanced glazing: Optimize daylight vs. heat gain/loss
- Thermal mass: Moderate mass with night purge ventilation
- Responsive facades: Operable shading, automated louvers

# Example: Parametric facade panel generation
# (Illustrative -- actual implementation uses Grasshopper + RhinoCommon)

import numpy as np

def generate_parametric_facade(
    width: float,
    height: float,
    panel_count_x: int,
    panel_count_y: int,
    solar_data: np.ndarray,  # Solar radiation per panel position
    min_opening: float = 0.1,
    max_opening: float = 0.8,
) -> list:
    """
    Generate facade panel openings responsive to solar radiation.
    Higher radiation = smaller opening (reduce heat gain).
    """
    panels = []
    for i in range(panel_count_x):
        for j in range(panel_count_y):
            radiation = solar_data[i, j]
            normalized = (radiation - solar_data.min()) / (solar_data.max() - solar_data.min())
            # Inverse: more sun = smaller opening
            opening_ratio = max_opening - normalized * (max_opening - min_opening)

            panels.append({
                "position": (i * width / panel_count_x, j * height / panel_count_y),
                "size": (width / panel_count_x, height / panel_count_y),
                "opening_ratio": round(opening_ratio, 3),
                "solar_radiation": round(radiation, 1),
            })
    return panels

Building Information Modeling (BIM) in academic research:

APPLICATIONS:
1. Performance simulation integration (energy, daylight, acoustics)
2. Construction logistics and scheduling research
3. Facility management and digital twin studies
4. Heritage documentation and conservation
5. Parametric and generative design exploration

INTEROPERABILITY STANDARDS:
- IFC (Industry Foundation Classes): Open BIM exchange format
- gbXML: Energy simulation data exchange
- COBie: Facility management data
- CityGML: Urban-scale modeling

RESEARCH TOOLS:
- Revit + Dynamo: Parametric BIM authoring
- ArchiCAD + Grasshopper Live Connection
- BlenderBIM: Open-source BIM (IFC native)
- OpenStudio + EnergyPlus: Energy simulation
- Ladybug/Honeybee: Environmental analysis (Grasshopper)

architecture-design-guide

Summary

SKILL.md

Architecture Design Guide

Overview

Fundamental Design Principles

The Vitruvian Triad (Updated)

Design Thinking Process

Structural Systems

Structural Logic for Researchers

Structural Analysis Methods

Sustainability and Performance

Building Performance Metrics

Passive Design Strategies

Computational Design Methods

Parametric Design with Grasshopper/Python

BIM for Research

Best Practices

References

Related skills